This Annex is not part of the requirements of the NFPA document but is listed for informational purposes.
Reprinted with permission from NFPA 70-2005, the National Electrical Code®, Copyright © 2004, National Fire Protection Association, Quincy, MA 02269. This reprinted material is not the referenced subject which is represented only by the standard in its entirety.
Table |
Page |
---|---|
C1Electrical Metallic Tubing (EMT) |
305 |
C1(A)[*]Electrical Metallic Tubing (EMT) |
310 |
C2Electrical Nonmetallic Tubing (ENT) |
312 |
C2(A)[*]Electrical Nonmetallic Tubing (ENT) |
317 |
C3Flexible Metal Conduit (FMC) |
319 |
C3(A)[*]Flexible Metal Conduit (FMC) |
324 |
C4Intermediate Metal Conduit (IMC) |
326 |
C4(A)[*]Intermediate Metal Conduit (IMC) |
331 |
C5Liquidtight Flexible Nonmetallic Conduit (Type LFNC-B) |
333 |
C5(A)[*]Liquidtight Flexible Nonmetallic Conduit (Type LFNC-B) |
338 |
C6Liquidtight Flexible Nonmetallic Conduit (Type LFNC-A) |
340 |
C6(A)[*]Liquidtight Flexible Nonmetallic Conduit (Type LFNC-A) |
345 |
C7Liquidtight Flexible Metal Conduit (LFMC) |
347 |
C7(A)[*]Liquidtight Flexible Metal Conduit (LFMC) |
352 |
C8Rigid Metal Conduit (RMC) |
354 |
C8(A)[*]Rigid Metal Conduit (RMC) |
362 |
C9Rigid PVC Conduit, Schedule 80 |
365 |
C9(A)[*]Rigid PVC Conduit, Schedule 80 |
373 |
C10Rigid PVC Conduit, Schedule 40 and HDPE Conduit |
376 |
C10(A)[*]Rigid PVC Conduit, Schedule 40 and HDPE Conduit |
383 |
C11Type A, Rigid PVC Conduit |
386 |
C11(A)[*]Type A, Rigid PVC Conduit |
391 |
C12Type EB, PVC Conduit |
393 |
C12(A)[*]Type EB, PVC Conduit |
397 |
[*] Where this table is used in conjunction with Tables C1 through C12, the conductors installed must be of the compact type.
Table C1. Maximum Number of Conductors or Fixture Wires in Electrical Metallic Tubing (EMT) (Based on Table 1, Chapter 9)
[View Full Width]
[*] Types RHH, RHW, and RHW-2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FFH-2, |
18 |
8 |
14 |
24 |
41 |
56 |
92 |
RFH-2, |
16 |
7 |
12 |
20 |
34 |
47 |
78 |
RFHH-3 |
|||||||
SF-2, SFF-2 |
18 |
10 |
18 |
30 |
52 |
71 |
116 |
16 |
8 |
15 |
25 |
43 |
58 |
96 |
|
14 |
7 |
12 |
20 |
34 |
47 |
78 |
|
SF-1, SFF-1 |
18 |
18 |
33 |
53 |
92 |
125 |
206 |
RFH-1, |
18 |
14 |
24 |
39 |
68 |
92 |
152 |
RFHH-2, TF, |
|||||||
TFF, XF, XFF |
|||||||
RFHH-2, TF, |
16 |
11 |
19 |
31 |
55 |
74 |
123 |
TFF, XF, XFF |
|||||||
XF, XFF |
14 |
8 |
15 |
25 |
43 |
58 |
96 |
TFN, TFFN |
18 |
22 |
38 |
63 |
108 |
148 |
244 |
16 |
17 |
29 |
48 |
83 |
113 |
186 |
|
PF, PFF, PGF, |
18 |
21 |
36 |
59 |
103 |
140 |
231 |
PGFF, PAF, |
16 |
16 |
28 |
46 |
79 |
108 |
179 |
PTF, PTFF, |
14 |
12 |
21 |
34 |
60 |
81 |
134 |
PAFF |
|||||||
ZF, ZFF, ZHF, |
18 |
27 |
47 |
77 |
133 |
181 |
298 |
HF, HFF |
16 |
20 |
35 |
56 |
98 |
133 |
220 |
14 |
14 |
25 |
41 |
72 |
98 |
161 |
|
KF-2, KFF-2 |
18 |
39 |
69 |
111 |
193 |
262 |
433 |
16 |
27 |
48 |
78 |
136 |
185 |
305 |
|
14 |
19 |
33 |
54 |
93 |
127 |
209 |
|
12 |
13 |
23 |
37 |
64 |
87 |
144 |
|
10 |
8 |
15 |
25 |
43 |
58 |
96 |
|
KF-1, KFF-1 |
18 |
46 |
82 |
133 |
230 |
313 |
516 |
16 |
33 |
57 |
93 |
161 |
220 |
362 |
|
14 |
22 |
38 |
63 |
108 |
148 |
244 |
|
12 |
14 |
25 |
41 |
72 |
98 |
161 |
|
10 |
9 |
16 |
27 |
47 |
64 |
105 |
|
XF, XFF |
12 |
4 |
8 |
13 |
23 |
31 |
51 |
10 |
3 |
6 |
10 |
18 |
24 |
40 |
Table C1(A). Maximum Number of Compact Conductors in Electrical Metallic Tubing (EMT) (Based on Table 1, Chapter 9)
[View Full Width]
Conductors |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
RHH, RHW, |
14 |
3 |
6 |
10 |
19 |
26 |
43 |
RHW-2 |
12 |
2 |
5 |
9 |
16 |
22 |
36 |
10 |
1 |
4 |
7 |
13 |
17 |
29 |
|
8 |
1 |
1 |
3 |
6 |
9 |
15 |
|
6 |
1 |
1 |
3 |
5 |
7 |
12 |
|
4 |
1 |
1 |
2 |
4 |
6 |
9 |
|
3 |
1 |
1 |
1 |
3 |
5 |
8 |
|
2 |
0 |
1 |
1 |
3 |
4 |
7 |
|
1 |
0 |
1 |
1 |
1 |
3 |
5 |
|
1/0 |
0 |
0 |
1 |
1 |
2 |
4 |
|
2/0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
3/0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
250 |
0 |
0 |
0 |
1 |
1 |
1 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
0 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
|
TW |
14 |
7 |
13 |
22 |
40 |
55 |
92 |
12 |
5 |
10 |
17 |
31 |
42 |
71 |
|
10 |
4 |
7 |
13 |
23 |
32 |
52 |
|
8 |
1 |
4 |
7 |
13 |
17 |
29 |
|
RHH[*], |
14 |
4 |
8 |
15 |
27 |
37 |
61 |
RHW[*], |
|||||||
RHW-2[*], |
|||||||
THHW, |
|||||||
THW, |
|||||||
THW-2 |
|||||||
RHH[*], |
12 |
3 |
7 |
12 |
21 |
29 |
49 |
RHW[*], |
10 |
3 |
5 |
9 |
17 |
23 |
38 |
RHW-2[*], |
|||||||
THHW, THW |
|||||||
RHH[*], |
8 |
1 |
3 |
5 |
10 |
14 |
23 |
RHW[*], |
6 |
1 |
2 |
4 |
7 |
10 |
17 |
RHW-2[*], |
4 |
1 |
1 |
3 |
5 |
8 |
13 |
TW, THW, |
3 |
1 |
1 |
2 |
5 |
7 |
11 |
THHW, |
2 |
1 |
1 |
2 |
4 |
6 |
9 |
THW-2 |
1 |
0 |
1 |
1 |
3 |
4 |
6 |
1/0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
2/0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
3/0 |
0 |
0 |
1 |
1 |
2 |
4 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
250 |
0 |
0 |
1 |
1 |
1 |
2 |
|
300 |
0 |
0 |
0 |
1 |
1 |
2 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
1 |
1 |
|
800 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
|
THHN, |
14 |
10 |
18 |
32 |
58 |
80 |
132 |
THWN, |
12 |
7 |
13 |
23 |
42 |
58 |
96 |
THWN-2 |
10 |
4 |
8 |
15 |
26 |
36 |
60 |
8 |
2 |
5 |
8 |
15 |
21 |
35 |
|
6 |
1 |
3 |
6 |
11 |
15 |
25 |
|
4 |
1 |
1 |
4 |
7 |
9 |
15 |
|
3 |
1 |
1 |
3 |
5 |
8 |
13 |
|
2 |
1 |
1 |
2 |
5 |
6 |
11 |
|
1 |
1 |
1 |
1 |
3 |
5 |
8 |
|
1/0 |
0 |
1 |
1 |
3 |
4 |
7 |
|
2/0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
3/0 |
0 |
1 |
1 |
1 |
3 |
4 |
|
4/0 |
0 |
0 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
1 |
1 |
1 |
2 |
|
350 |
0 |
0 |
0 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
1 |
1 |
1 |
|
THHN, |
600 |
0 |
0 |
0 |
1 |
1 |
1 |
THWN, |
700 |
0 |
0 |
0 |
0 |
1 |
1 |
THWN-2 |
750 |
0 |
0 |
0 |
0 |
1 |
1 |
800 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
|
FEP, FEPB, |
14 |
10 |
18 |
31 |
56 |
77 |
128 |
PFA, PFAH, |
12 |
7 |
13 |
23 |
41 |
56 |
93 |
TFE |
10 |
5 |
9 |
16 |
29 |
40 |
67 |
8 |
3 |
5 |
9 |
17 |
23 |
38 |
|
6 |
1 |
4 |
6 |
12 |
16 |
27 |
|
4 |
1 |
2 |
4 |
8 |
11 |
19 |
|
3 |
1 |
1 |
4 |
7 |
9 |
16 |
|
2 |
1 |
1 |
3 |
5 |
8 |
13 |
|
PFA, PFAH, |
1 |
1 |
1 |
1 |
4 |
5 |
9 |
TFE |
|||||||
PFA, PFAH, |
1/0 |
0 |
1 |
1 |
3 |
4 |
7 |
TFE, Z |
2/0 |
0 |
1 |
1 |
2 |
4 |
6 |
3/0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
4/0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
Z |
14 |
12 |
22 |
38 |
68 |
93 |
154 |
12 |
8 |
15 |
27 |
48 |
66 |
109 |
|
10 |
5 |
9 |
16 |
29 |
40 |
67 |
|
8 |
3 |
6 |
10 |
18 |
25 |
42 |
|
6 |
1 |
4 |
7 |
13 |
18 |
30 |
|
4 |
1 |
3 |
5 |
9 |
12 |
20 |
|
3 |
1 |
1 |
3 |
6 |
9 |
15 |
|
2 |
1 |
1 |
3 |
5 |
7 |
12 |
|
1 |
1 |
1 |
2 |
4 |
6 |
10 |
|
XHH, |
14 |
7 |
13 |
22 |
40 |
55 |
92 |
XHHW, |
12 |
5 |
10 |
17 |
31 |
42 |
71 |
XHHW-2, |
10 |
4 |
7 |
13 |
23 |
32 |
52 |
ZW |
8 |
1 |
4 |
7 |
13 |
17 |
29 |
6 |
1 |
3 |
5 |
9 |
13 |
21 |
|
4 |
1 |
1 |
4 |
7 |
9 |
15 |
|
3 |
1 |
1 |
3 |
6 |
8 |
13 |
|
2 |
1 |
1 |
2 |
5 |
6 |
11 |
|
XHH, |
1 |
1 |
1 |
1 |
3 |
5 |
8 |
XHHW, |
1/0 |
0 |
1 |
1 |
3 |
4 |
7 |
XHHW-2 |
2/0 |
0 |
1 |
1 |
2 |
3 |
6 |
3/0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
4/0 |
0 |
0 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
1 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
1 |
1 |
|
800 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Note 1: This table is for concentric stranded conductors only. For compact stranded conductors, Table C2(A) should be used. |
|||||||
Note 2: Two-hour fire-rated RHH cable has ceramifiable insulation, which has much larger diameters than other RHH wires. Consult manufacturer's conduit fill tables. |
[*] Types RHH, RHW, and RHW-2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FFH-2, |
18 |
6 |
12 |
21 |
39 |
53 |
88 |
RFH-2, |
16 |
5 |
10 |
18 |
32 |
45 |
74 |
RFHH-3, |
|||||||
SF-2, |
18 |
8 |
15 |
27 |
49 |
67 |
111 |
SFF-2 |
16 |
7 |
13 |
22 |
40 |
55 |
92 |
14 |
5 |
10 |
18 |
32 |
45 |
74 |
|
SF-1, |
18 |
15 |
28 |
48 |
86 |
119 |
197 |
SFF-1 |
|||||||
RFH -1, |
18 |
11 |
20 |
35 |
64 |
88 |
145 |
RFHH -2, |
|||||||
TF, TFF, |
|||||||
XF, XFF |
|||||||
RFHH-2, |
16 |
9 |
16 |
29 |
51 |
71 |
117 |
TF, TFF, |
|||||||
XF, XFF |
|||||||
XF, XFF |
14 |
7 |
13 |
22 |
40 |
55 |
92 |
TFN, |
18 |
18 |
33 |
57 |
102 |
141 |
233 |
TFFN |
16 |
13 |
25 |
43 |
78 |
107 |
178 |
PF, PFF, |
18 |
17 |
31 |
54 |
97 |
133 |
221 |
PGF, |
16 |
13 |
24 |
42 |
75 |
103 |
171 |
PGFF, |
14 |
10 |
18 |
31 |
56 |
77 |
128 |
PAF, PTF, |
|||||||
PTFF, |
|||||||
PAFF |
|||||||
ZF, ZFF, |
18 |
22 |
40 |
70 |
125 |
172 |
285 |
ZHF, HF, |
16 |
16 |
29 |
51 |
92 |
127 |
210 |
HFF |
14 |
12 |
22 |
38 |
68 |
93 |
154 |
KF-2, |
18 |
31 |
58 |
101 |
182 |
250 |
413 |
KFF-2 |
16 |
22 |
41 |
71 |
128 |
176 |
291 |
14 |
15 |
28 |
49 |
88 |
121 |
200 |
|
12 |
10 |
19 |
33 |
60 |
83 |
138 |
|
10 |
7 |
13 |
22 |
40 |
55 |
92 |
|
KF-1, |
18 |
38 |
69 |
121 |
217 |
298 |
493 |
KFF-1 |
16 |
26 |
49 |
85 |
152 |
209 |
346 |
14 |
18 |
33 |
57 |
102 |
141 |
233 |
|
12 |
12 |
22 |
38 |
68 |
93 |
154 |
|
10 |
7 |
14 |
24 |
44 |
61 |
101 |
|
XF, XFF |
12 |
3 |
7 |
12 |
21 |
29 |
49 |
10 |
3 |
5 |
9 |
17 |
23 |
38 |
Compact Conductors |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
THW, |
8 |
1 |
3 |
6 |
11 |
15 |
25 |
THW-2, |
6 |
1 |
2 |
4 |
8 |
11 |
19 |
THHW |
4 |
1 |
1 |
3 |
6 |
8 |
14 |
2 |
1 |
1 |
2 |
4 |
6 |
10 |
|
1 |
0 |
1 |
1 |
3 |
4 |
7 |
|
1/0 |
0 |
1 |
1 |
3 |
4 |
6 |
|
2/0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
3/0 |
0 |
1 |
1 |
1 |
3 |
4 |
|
4/0 |
0 |
0 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
1 |
1 |
1 |
2 |
|
350 |
0 |
0 |
0 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
|
THHN, |
8 |
||||||
THWN, |
6 |
1 |
4 |
7 |
12 |
17 |
28 |
THWN-2 |
4 |
1 |
2 |
4 |
7 |
10 |
17 |
2 |
1 |
1 |
3 |
5 |
7 |
12 |
|
1 |
1 |
1 |
2 |
4 |
5 |
9 |
|
1/0 |
1 |
1 |
1 |
3 |
5 |
8 |
|
2/0 |
0 |
1 |
1 |
3 |
4 |
6 |
|
3/0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
4/0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
1 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
1 |
1 |
2 |
|
500 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
1 |
1 |
1 |
|
THHN, |
750 |
0 |
0 |
0 |
1 |
1 |
1 |
THWN, |
900 |
0 |
0 |
0 |
0 |
1 |
1 |
THWN-2 |
1000 |
0 |
0 |
0 |
0 |
1 |
1 |
XHHW, |
8 |
2 |
4 |
8 |
14 |
19 |
32 |
XHHW-2 |
6 |
1 |
3 |
6 |
10 |
14 |
24 |
4 |
1 |
2 |
4 |
7 |
10 |
17 |
|
2 |
1 |
1 |
3 |
5 |
7 |
12 |
|
1 |
1 |
1 |
2 |
4 |
5 |
9 |
|
1/0 |
1 |
1 |
1 |
3 |
5 |
8 |
|
2/0 |
0 |
1 |
1 |
3 |
4 |
7 |
|
3/0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
4/0 |
0 |
1 |
1 |
1 |
3 |
4 |
|
250 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
1 |
1 |
1 |
3 |
|
400 |
0 |
0 |
1 |
1 |
1 |
2 |
|
500 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
1 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
1 |
1 |
|
Definition: Compact stranding is the result of a manufacturing process where the standard conductor is compressed to the extent that the interstices (voids between strand wires) are virtually climated. |
Table C3. Maximum Number of Conductors or Fixture Wires in Flexible Metal Conduit (FMC) (Based on Table 1, Chapter 9)
[View Full Width]
[*] Types RHH, RHW, and RHW-2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FFH-2, |
18 |
8 |
14 |
22 |
35 |
51 |
90 |
RFH-2, |
16 |
7 |
12 |
19 |
29 |
43 |
76 |
RFHH-3 |
|||||||
SF-2, |
18 |
11 |
18 |
28 |
44 |
64 |
113 |
SFF-2 |
16 |
9 |
15 |
23 |
36 |
53 |
94 |
14 |
7 |
12 |
19 |
29 |
43 |
76 |
|
SF-1, |
18 |
19 |
32 |
50 |
78 |
114 |
201 |
SFF-1 |
|||||||
RFH-1, |
18 |
14 |
24 |
37 |
58 |
84 |
148 |
RFHH-2, |
|||||||
TF, TFF, |
|||||||
XF, XFF |
|||||||
RFHH-2, |
16 |
11 |
19 |
30 |
47 |
68 |
120 |
TF, TFF, |
|||||||
XF, XFF |
|||||||
XF, XFF |
14 |
9 |
15 |
23 |
36 |
53 |
94 |
TFN, |
18 |
23 |
38 |
59 |
93 |
135 |
237 |
TFFN |
16 |
17 |
29 |
45 |
71 |
103 |
181 |
PF, PFF, |
18 |
22 |
36 |
56 |
88 |
128 |
225 |
PGF, |
16 |
17 |
28 |
43 |
68 |
99 |
174 |
PGFF, |
14 |
12 |
21 |
32 |
51 |
74 |
130 |
PAF, PTF, |
|||||||
PTFF, |
|||||||
PAFF |
|||||||
ZF, ZFF, |
18 |
28 |
47 |
72 |
113 |
165 |
290 |
ZHF, HF, |
16 |
20 |
35 |
53 |
83 |
121 |
214 |
HFF |
14 |
15 |
25 |
39 |
61 |
89 |
157 |
KF-2, |
18 |
41 |
68 |
105 |
164 |
239 |
421 |
KFF-2 |
16 |
28 |
48 |
74 |
116 |
168 |
297 |
14 |
19 |
33 |
51 |
80 |
116 |
204 |
|
12 |
13 |
23 |
35 |
55 |
80 |
140 |
|
10 |
9 |
15 |
23 |
36 |
53 |
94 |
|
KF-1, |
18 |
48 |
82 |
125 |
196 |
285 |
503 |
KFF-1 |
16 |
34 |
57 |
88 |
138 |
200 |
353 |
14 |
23 |
38 |
59 |
93 |
135 |
237 |
|
12 |
15 |
25 |
39 |
61 |
89 |
157 |
|
10 |
10 |
16 |
25 |
40 |
58 |
103 |
|
XF, XFF |
12 |
5 |
8 |
12 |
19 |
28 |
50 |
10 |
4 |
6 |
10 |
15 |
22 |
39 |
Table C3(A). Maximum Number of Compact Conductors in Flexible Metal Conduit (FMC) (Based on Table 1, Chapter 9)
[View Full Width]
Table C4. Maximum Number of Conductors or Fixture Wires in Intermediate Metal Conduit (IMC) (Based on Table 1, Chapter 9)
[View Full Width]
[5] Types RHH, RHW, and RHW-2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FHH-2, |
18 |
9 |
16 |
26 |
45 |
61 |
100 |
RFH-2, |
16 |
8 |
13 |
22 |
38 |
51 |
84 |
RFHH-3 |
|||||||
SF-2, |
18 |
12 |
20 |
33 |
57 |
77 |
126 |
SFF-2 |
16 |
10 |
17 |
27 |
47 |
64 |
104 |
14 |
8 |
13 |
22 |
38 |
51 |
84 |
|
SF-1, |
18 |
21 |
36 |
59 |
101 |
137 |
223 |
SFF-1 |
|||||||
RFH-1, |
18 |
15 |
26 |
43 |
75 |
101 |
165 |
RFHH-2, |
|||||||
TF, TFF, |
|||||||
XF, XFF |
|||||||
RFH-2, |
16 |
12 |
21 |
35 |
60 |
81 |
133 |
TF, TFF, |
|||||||
XF, XFF |
|||||||
XF, XFF |
14 |
10 |
17 |
27 |
47 |
64 |
104 |
TFN, |
18 |
25 |
42 |
69 |
119 |
161 |
264 |
TFFN |
16 |
19 |
32 |
53 |
91 |
123 |
201 |
PF, PFF, |
18 |
23 |
40 |
66 |
113 |
153 |
250 |
PGF, |
16 |
18 |
31 |
51 |
87 |
118 |
193 |
PGFF, |
14 |
13 |
23 |
38 |
66 |
89 |
145 |
PAF, |
|||||||
PTF, |
|||||||
PTFF, |
|||||||
PAFF |
|||||||
ZF, ZFF, |
18 |
30 |
52 |
85 |
146 |
197 |
322 |
ZHF, HF, |
16 |
22 |
38 |
63 |
108 |
145 |
238 |
HFF |
14 |
16 |
28 |
46 |
79 |
107 |
175 |
KF-2, |
18 |
44 |
75 |
123 |
212 |
287 |
468 |
KFF-2 |
16 |
31 |
53 |
87 |
149 |
202 |
330 |
14 |
21 |
36 |
60 |
103 |
139 |
227 |
|
12 |
14 |
25 |
41 |
70 |
95 |
156 |
|
10 |
10 |
17 |
27 |
47 |
64 |
104 |
|
KF-1, |
18 |
52 |
90 |
147 |
253 |
342 |
558 |
KFF-1 |
16 |
37 |
63 |
103 |
178 |
240 |
392 |
14 |
25 |
42 |
69 |
119 |
161 |
264 |
|
12 |
16 |
28 |
46 |
79 |
107 |
175 |
|
10 |
10 |
18 |
30 |
52 |
70 |
114 |
|
XF, XFF |
12 |
5 |
9 |
14 |
25 |
34 |
56 |
10 |
4 |
7 |
11 |
19 |
26 |
43 |
Table C4(A). Maximum Number of Compact Conductors in Intermediate Metal Conduit (IMC) (Based on Table 1, Chapter 9)
[View Full Width]
Conductors |
||||||||
---|---|---|---|---|---|---|---|---|
Type |
Conductor |
Metric Designator (Trade Size) |
||||||
12 |
16 |
21 |
27 |
35 |
41 |
53 |
||
RHH, |
14 |
2 |
4 |
7 |
12 |
21 |
27 |
44 |
RHW, |
12 |
1 |
3 |
6 |
10 |
17 |
22 |
36 |
RHW-2 |
10 |
1 |
3 |
5 |
8 |
14 |
18 |
29 |
8 |
1 |
1 |
2 |
4 |
7 |
9 |
15 |
|
6 |
1 |
1 |
1 |
3 |
6 |
7 |
12 |
|
4 |
0 |
1 |
1 |
2 |
4 |
6 |
9 |
|
3 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
|
2 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
|
1 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
1/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
2/0 |
0 |
0 |
1 |
1 |
1 |
1 |
3 |
|
3/0 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
4/0 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
250 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
300 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
350 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
TW, |
14 |
5 |
9 |
15 |
25 |
44 |
57 |
93 |
12 |
4 |
7 |
12 |
19 |
33 |
43 |
71 |
|
10 |
3 |
5 |
9 |
14 |
25 |
32 |
53 |
|
8 |
1 |
3 |
5 |
8 |
14 |
18 |
29 |
|
RHH[ |
14 |
3 |
6 |
10 |
16 |
29 |
38 |
62 |
RHW[ |
||||||||
RHW-2[ |
||||||||
THHW, |
||||||||
THW, |
||||||||
THW-2 |
||||||||
RHH[ |
12 |
3 |
5 |
8 |
13 |
23 |
30 |
50 |
RHW[ |
10 |
1 |
3 |
6 |
10 |
18 |
23 |
39 |
RHW-2[ |
||||||||
THHW, |
||||||||
THW |
||||||||
RHH[ |
8 |
1 |
1 |
4 |
6 |
11 |
14 |
23 |
RHW[ |
||||||||
RHW-2[ |
||||||||
THHW, |
||||||||
THW, |
||||||||
THW-2 |
||||||||
RHH[ |
6 |
1 |
1 |
3 |
5 |
8 |
11 |
18 |
RHW[ |
4 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
RHW-2[ |
3 |
1 |
1 |
1 |
3 |
5 |
7 |
11 |
TW, |
2 |
0 |
1 |
1 |
2 |
4 |
6 |
9 |
THW, |
1 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
THHW, |
1/0 |
0 |
0 |
1 |
1 |
2 |
3 |
6 |
THW-2 |
2/0 |
0 |
0 |
1 |
1 |
2 |
3 |
5 |
3/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
4/0 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
250 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
350 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
THHN, |
14 |
8 |
13 |
22 |
36 |
63 |
81 |
133 |
THWN, |
12 |
5 |
9 |
16 |
26 |
46 |
59 |
97 |
THWN-2 |
10 |
3 |
6 |
10 |
16 |
29 |
37 |
61 |
8 |
1 |
3 |
6 |
9 |
16 |
21 |
35 |
|
6 |
1 |
2 |
4 |
7 |
12 |
15 |
25 |
|
4 |
1 |
1 |
2 |
4 |
7 |
9 |
15 |
|
3 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
|
2 |
1 |
1 |
1 |
3 |
5 |
7 |
11 |
|
1 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
|
THHN, |
1/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
THWN, |
2/0 |
0 |
0 |
1 |
1 |
2 |
3 |
6 |
THWN-2 |
3/0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
FEP, |
14 |
7 |
12 |
21 |
35 |
61 |
79 |
129 |
FEPB, |
12 |
5 |
9 |
15 |
25 |
44 |
57 |
94 |
PFA, |
10 |
4 |
6 |
11 |
18 |
32 |
41 |
68 |
PFAH, |
8 |
1 |
3 |
6 |
10 |
18 |
23 |
39 |
TFE |
6 |
1 |
2 |
4 |
7 |
13 |
17 |
27 |
4 |
1 |
1 |
3 |
5 |
9 |
12 |
19 |
|
3 |
1 |
1 |
2 |
4 |
7 |
10 |
16 |
|
2 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
|
PFA, |
1 |
0 |
1 |
1 |
2 |
4 |
5 |
9 |
PFAH, |
||||||||
TFE |
||||||||
PFA, |
1/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
PFAH |
||||||||
TFE,Z |
2/0 |
0 |
1 |
1 |
1 |
3 |
4 |
6 |
3/0 |
0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
Z |
14 |
9 |
15 |
26 |
42 |
73 |
95 |
156 |
12 |
6 |
10 |
18 |
30 |
52 |
67 |
111 |
|
10 |
4 |
6 |
11 |
18 |
32 |
41 |
68 |
|
8 |
2 |
4 |
7 |
11 |
20 |
26 |
43 |
|
6 |
1 |
3 |
5 |
8 |
14 |
18 |
30 |
|
4 |
1 |
1 |
3 |
5 |
9 |
12 |
20 |
|
3 |
1 |
1 |
2 |
4 |
7 |
9 |
15 |
|
2 |
0 |
1 |
1 |
3 |
6 |
7 |
12 |
|
1 |
0 |
1 |
1 |
2 |
5 |
6 |
10 |
|
XHH, |
14 |
5 |
9 |
15 |
25 |
44 |
57 |
93 |
XHHW, |
12 |
4 |
7 |
12 |
19 |
33 |
43 |
71 |
XHHW-2, |
10 |
3 |
5 |
9 |
14 |
25 |
32 |
53 |
ZW |
8 |
1 |
3 |
5 |
8 |
14 |
18 |
29 |
6 |
1 |
1 |
3 |
6 |
10 |
13 |
22 |
|
XHH, |
4 |
1 |
1 |
2 |
4 |
7 |
9 |
16 |
XHHW, |
3 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
XHHW-2, |
2 |
1 |
1 |
1 |
3 |
5 |
7 |
11 |
ZW |
||||||||
XHH, |
1 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
XHHW, |
1/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
XHHW-2 |
2/0 |
0 |
0 |
1 |
1 |
2 |
3 |
6 |
3/0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Fixture Wires |
||||||||
FFH-2, |
18 |
5 |
8 |
15 |
24 |
42 |
54 |
89 |
RFH-2 |
16 |
4 |
7 |
12 |
20 |
35 |
46 |
75 |
SF-2, |
18 |
6 |
11 |
19 |
30 |
53 |
69 |
113 |
SFF-2 |
16 |
5 |
9 |
15 |
25 |
44 |
57 |
93 |
14 |
4 |
7 |
12 |
20 |
35 |
46 |
75 |
|
SF-1, |
18 |
11 |
19 |
33 |
53 |
94 |
122 |
199 |
SFF-1 |
||||||||
RFH-1, |
18 |
8 |
14 |
24 |
39 |
69 |
90 |
147 |
RFHH-2, |
||||||||
TF, TFF, |
||||||||
XF, XFF |
||||||||
RFHH-2, |
16 |
7 |
11 |
20 |
32 |
56 |
72 |
119 |
TF, TFF, |
||||||||
XF, XFF |
||||||||
XF, XFF |
14 |
5 |
9 |
15 |
25 |
44 |
57 |
93 |
TFN, |
18 |
14 |
23 |
39 |
63 |
111 |
144 |
236 |
TFFN |
16 |
10 |
17 |
30 |
48 |
85 |
110 |
180 |
PF,PFF, |
18 |
13 |
21 |
37 |
60 |
105 |
136 |
223 |
PGF, |
16 |
10 |
16 |
29 |
46 |
81 |
105 |
173 |
PGFF, |
14 |
7 |
12 |
21 |
35 |
61 |
79 |
129 |
PAF, |
||||||||
PTF, |
||||||||
PTFF, |
||||||||
PAFF |
||||||||
HF,HFF, |
18 |
17 |
28 |
48 |
77 |
136 |
176 |
288 |
ZF,ZFF, |
16 |
12 |
20 |
35 |
57 |
100 |
129 |
212 |
ZHF |
14 |
9 |
15 |
26 |
42 |
73 |
95 |
156 |
KF-2, |
18 |
24 |
40 |
70 |
112 |
197 |
255 |
418 |
KFF-2 |
16 |
17 |
28 |
49 |
79 |
139 |
180 |
295 |
14 |
12 |
19 |
34 |
54 |
95 |
123 |
202 |
|
12 |
8 |
13 |
23 |
37 |
65 |
85 |
139 |
|
10 |
5 |
9 |
15 |
25 |
44 |
57 |
93 |
|
KF-1, |
18 |
29 |
48 |
83 |
134 |
235 |
304 |
499 |
KFF-1 |
16 |
20 |
34 |
58 |
94 |
165 |
214 |
350 |
14 |
14 |
23 |
39 |
63 |
111 |
144 |
236 |
|
12 |
9 |
15 |
26 |
42 |
73 |
95 |
156 |
|
10 |
6 |
10 |
17 |
27 |
48 |
62 |
102 |
|
XF,XFF |
12 |
3 |
5 |
8 |
13 |
23 |
30 |
50 |
10 |
1 |
3 |
6 |
10 |
18 |
23 |
39 |
|
Note 1: This table is for concentric stranded conductors only. For compact stranded conductors, Table C5(A) should be used. |
||||||||
Note 2: Two-hour fire-rated RHH cable has ceramifiable insulation, which has much larger diameters than other RHH wires. Consult manufacturer's conduit fill tables. |
[*] Corresponds to 356.2(2).
[
images/ent/U2020.GIF border=0>] Types RHH, RHW, and RHW-2 without outer covering.
Compact Conductors |
||||||||
---|---|---|---|---|---|---|---|---|
Type |
Conductor |
Metric Designator (Trade Size) |
||||||
12 |
16 |
21 |
27 |
35 |
41 |
53 |
||
THW, |
8 |
1 |
2 |
4 |
7 |
12 |
15 |
25 |
THW-2, |
6 |
1 |
1 |
3 |
5 |
9 |
12 |
19 |
THHW |
4 |
1 |
1 |
2 |
4 |
7 |
9 |
14 |
2 |
1 |
1 |
1 |
3 |
5 |
6 |
11 |
|
1 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
|
1/0 |
0 |
1 |
1 |
1 |
3 |
4 |
6 |
|
2/0 |
0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
3/0 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
THHN, |
8 |
|||||||
THWN, |
6 |
1 |
2 |
4 |
7 |
13 |
17 |
28 |
THWN-2 |
4 |
1 |
1 |
3 |
4 |
8 |
11 |
17 |
2 |
1 |
1 |
1 |
3 |
6 |
7 |
12 |
|
1 |
0 |
1 |
1 |
2 |
4 |
6 |
9 |
|
1/0 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
|
2/0 |
0 |
1 |
1 |
1 |
3 |
4 |
6 |
|
3/0 |
0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
|
250 |
0 |
0 |
1 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
XHHW, |
8 |
1 |
3 |
5 |
9 |
15 |
20 |
33 |
XHHW-2 |
6 |
1 |
2 |
4 |
6 |
11 |
15 |
24 |
4 |
1 |
1 |
3 |
4 |
8 |
11 |
17 |
|
2 |
1 |
1 |
1 |
3 |
6 |
7 |
12 |
|
1 |
0 |
1 |
1 |
2 |
4 |
6 |
9 |
|
XHHW, |
1/0 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
XHHW-2 |
2/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
3/0 |
0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
|
250 |
0 |
0 |
1 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
Definition: Compact stranding is the result of a manufacturing process where the standard conductor is compressed to the extent that the interstices (voids between strand wires) are virtually eliminated. |
[*] Corresponds to 356.2(2).
Conductors |
||||||||
---|---|---|---|---|---|---|---|---|
Type |
Conductor size |
Metric Designator (Trade Size) |
||||||
12 |
16 |
21 |
27 |
35 |
41 |
53 |
||
RHH, |
14 |
2 |
4 |
7 |
11 |
20 |
27 |
45 |
RHW, |
12 |
1 |
3 |
6 |
9 |
17 |
23 |
38 |
RHW-2 |
10 |
1 |
3 |
5 |
8 |
13 |
18 |
30 |
8 |
1 |
1 |
2 |
4 |
7 |
9 |
16 |
|
6 |
1 |
1 |
1 |
3 |
5 |
7 |
13 |
|
4 |
0 |
1 |
1 |
2 |
4 |
6 |
10 |
|
3 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
|
2 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
|
1 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
1/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
2/0 |
0 |
0 |
1 |
1 |
1 |
1 |
4 |
|
3/0 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
4/0 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
250 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
300 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
350 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
TW |
14 |
5 |
9 |
15 |
24 |
43 |
58 |
96 |
12 |
4 |
7 |
12 |
19 |
33 |
44 |
74 |
|
10 |
3 |
5 |
9 |
14 |
24 |
33 |
55 |
|
8 |
1 |
3 |
5 |
8 |
13 |
18 |
30 |
|
RHH[ |
14 |
3 |
6 |
10 |
16 |
28 |
38 |
64 |
RHW[ |
||||||||
RHW-2[ |
||||||||
THHW, |
||||||||
THW, |
||||||||
THW-2 |
||||||||
RHH[ |
12 |
3 |
4 |
8 |
13 |
23 |
31 |
51 |
RHW[ |
10 |
1 |
3 |
6 |
10 |
18 |
24 |
40 |
RHW-2[ |
||||||||
THHW, |
||||||||
THW |
||||||||
RHH[ |
8 |
1 |
1 |
4 |
6 |
10 |
14 |
24 |
RHW[ |
||||||||
RHW-2[ |
||||||||
THHW, |
||||||||
THW, |
||||||||
THW-2 |
||||||||
RHH[ |
6 |
1 |
1 |
3 |
4 |
8 |
11 |
18 |
RHW[ |
4 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
RHW-2[ |
3 |
1 |
1 |
1 |
3 |
5 |
7 |
11 |
TW,THW, |
2 |
0 |
1 |
1 |
2 |
4 |
6 |
10 |
THHW, |
1 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
THW-2 |
||||||||
1/0 |
0 |
0 |
1 |
1 |
2 |
3 |
6 |
|
2/0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
3/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
4/0 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
250 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
350 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
THHN, |
14 |
8 |
13 |
22 |
35 |
62 |
83 |
137 |
THWN, |
12 |
5 |
9 |
16 |
25 |
45 |
60 |
100 |
THWN-2 |
10 |
3 |
6 |
10 |
16 |
28 |
38 |
63 |
8 |
1 |
3 |
6 |
9 |
16 |
22 |
36 |
|
6 |
1 |
2 |
4 |
6 |
12 |
16 |
26 |
|
4 |
1 |
1 |
2 |
4 |
7 |
9 |
16 |
|
3 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
|
2 |
1 |
1 |
1 |
3 |
5 |
7 |
11 |
|
1 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
|
1/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
|
2/0 |
0 |
0 |
1 |
1 |
2 |
3 |
6 |
|
3/0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
THHN, |
250 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
THWN, |
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
THWN-2 |
350 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
FEP, |
14 |
7 |
12 |
21 |
34 |
60 |
80 |
133 |
FEPB, |
12 |
5 |
9 |
15 |
25 |
44 |
59 |
97 |
PFA, |
10 |
4 |
6 |
11 |
18 |
31 |
42 |
70 |
PFAH, |
8 |
1 |
3 |
6 |
10 |
18 |
24 |
40 |
TFE |
6 |
1 |
2 |
4 |
7 |
13 |
17 |
28 |
4 |
1 |
1 |
3 |
5 |
9 |
12 |
20 |
|
3 |
1 |
1 |
2 |
4 |
7 |
10 |
16 |
|
2 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
|
PFA, |
1 |
0 |
1 |
1 |
2 |
4 |
5 |
9 |
PFAH, |
||||||||
TFE |
||||||||
PFA, |
1/0 |
0 |
1 |
1 |
1 |
3 |
5 |
8 |
PFAH, |
2/0 |
0 |
1 |
1 |
1 |
3 |
4 |
6 |
TFE,Z |
3/0 |
0 |
0 |
1 |
1 |
2 |
3 |
5 |
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
Z |
14 |
9 |
15 |
25 |
41 |
72 |
97 |
161 |
12 |
6 |
10 |
18 |
29 |
51 |
69 |
114 |
|
10 |
4 |
6 |
11 |
18 |
31 |
42 |
70 |
|
8 |
2 |
4 |
7 |
11 |
20 |
26 |
44 |
|
6 |
1 |
3 |
5 |
8 |
14 |
18 |
31 |
|
4 |
1 |
1 |
3 |
5 |
9 |
13 |
21 |
|
3 |
1 |
1 |
2 |
4 |
7 |
9 |
15 |
|
2 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
|
1 |
1 |
1 |
1 |
2 |
4 |
6 |
10 |
|
XHH, |
14 |
5 |
9 |
15 |
24 |
43 |
58 |
96 |
XHHW, |
12 |
4 |
7 |
12 |
19 |
33 |
44 |
74 |
XHHW-2, |
10 |
3 |
5 |
9 |
14 |
24 |
33 |
55 |
ZW |
8 |
1 |
3 |
5 |
8 |
13 |
18 |
30 |
6 |
1 |
1 |
3 |
5 |
10 |
13 |
22 |
|
4 |
1 |
1 |
2 |
4 |
7 |
10 |
16 |
|
3 |
1 |
1 |
1 |
3 |
6 |
8 |
14 |
|
2 |
1 |
1 |
1 |
3 |
5 |
7 |
11 |
|
XHH, |
1 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
XHHW, |
1/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
XHHW-2 |
2/0 |
0 |
0 |
1 |
1 |
2 |
3 |
6 |
3/0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
800 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1250 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1500 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
1750 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2000 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Fixture Wires |
||||||||
FFH-2, |
18 |
5 |
8 |
14 |
23 |
41 |
55 |
92 |
RFH-2 |
16 |
4 |
7 |
12 |
20 |
35 |
47 |
77 |
SF-2, |
18 |
6 |
11 |
18 |
29 |
52 |
70 |
116 |
SFF-2 |
16 |
5 |
9 |
15 |
24 |
43 |
58 |
96 |
14 |
4 |
7 |
12 |
20 |
35 |
47 |
77 |
|
SF-1, |
18 |
12 |
19 |
33 |
52 |
92 |
124 |
205 |
SFF-1 |
||||||||
RFH-1, |
18 |
8 |
14 |
24 |
39 |
68 |
91 |
152 |
RFHH-2, |
||||||||
TF,TFF, |
||||||||
XF,XFF |
||||||||
RFHH-2, |
16 |
7 |
11 |
19 |
31 |
55 |
74 |
122 |
TF,TFF, |
||||||||
XF,XFF |
||||||||
XF,XFF |
14 |
5 |
9 |
15 |
24 |
43 |
58 |
96 |
TFN,TFFN |
18 |
14 |
22 |
39 |
62 |
109 |
146 |
243 |
16 |
10 |
17 |
29 |
47 |
83 |
112 |
185 |
|
PF,PFF, |
18 |
13 |
21 |
37 |
59 |
103 |
139 |
230 |
PGF, |
16 |
10 |
16 |
28 |
45 |
80 |
107 |
178 |
PGFF, |
14 |
7 |
12 |
21 |
34 |
60 |
80 |
133 |
PAF,PTF, |
||||||||
PTFF, |
||||||||
PAFF |
||||||||
HF,HFF, |
18 |
17 |
27 |
47 |
76 |
133 |
179 |
297 |
ZF,ZFF, |
16 |
12 |
20 |
35 |
56 |
98 |
132 |
219 |
ZHF |
14 |
9 |
15 |
25 |
41 |
72 |
97 |
161 |
KF-2, |
18 |
25 |
40 |
69 |
110 |
193 |
260 |
431 |
KFF-2 |
16 |
17 |
28 |
48 |
77 |
136 |
183 |
303 |
14 |
12 |
19 |
33 |
53 |
94 |
126 |
209 |
|
12 |
8 |
13 |
23 |
36 |
64 |
86 |
143 |
|
10 |
5 |
9 |
15 |
24 |
43 |
58 |
96 |
|
KF-1, |
18 |
29 |
48 |
82 |
131 |
231 |
310 |
514 |
KFF-1 |
16 |
21 |
33 |
57 |
92 |
162 |
218 |
361 |
14 |
14 |
22 |
39 |
62 |
109 |
146 |
243 |
|
12 |
9 |
15 |
25 |
41 |
72 |
97 |
161 |
|
10 |
6 |
10 |
17 |
27 |
47 |
63 |
105 |
|
XF,XFF |
12 |
3 |
4 |
8 |
13 |
23 |
31 |
51 |
10 |
1 |
3 |
6 |
10 |
18 |
24 |
40 |
|
Note 1: This table is for concentric stranded conductors only. For compact stranded conductors, Table C6(A) should be used. |
||||||||
Note 2: Two-hour fire-rated RHH cable has ceramifiable insulation, which has much larger diameters than other RHH wires. Consult manufacturer's conduit fill tables. |
[*] Corresponds to 356.2(1).
[
images/ent/U2020.GIF border=0>] Types RHH, RHW, and RHW-2 without outer covering.
Compact Conductors |
||||||||
---|---|---|---|---|---|---|---|---|
Type |
Conductor size |
Metric Designator (Trade Size) |
||||||
12 |
16 |
21 |
27 |
35 |
41 |
53 |
||
THW, |
8 |
1 |
2 |
4 |
6 |
11 |
16 |
26 |
THW-2, |
6 |
1 |
1 |
3 |
5 |
9 |
12 |
20 |
THHW |
4 |
1 |
1 |
2 |
4 |
7 |
9 |
15 |
2 |
1 |
1 |
1 |
3 |
5 |
6 |
11 |
|
1 |
0 |
1 |
1 |
1 |
3 |
4 |
8 |
|
1/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
|
2/0 |
0 |
0 |
1 |
1 |
2 |
3 |
5 |
|
3/0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
250 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
400 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
THHN, |
8 |
|||||||
THWN, |
6 |
1 |
2 |
4 |
7 |
13 |
18 |
29 |
THWN-2 |
4 |
1 |
1 |
3 |
4 |
8 |
11 |
18 |
2 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
|
1 |
0 |
1 |
1 |
2 |
4 |
6 |
10 |
|
1/0 |
0 |
1 |
1 |
1 |
3 |
5 |
8 |
|
2/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
|
3/0 |
0 |
0 |
1 |
1 |
2 |
3 |
6 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
250 |
0 |
0 |
1 |
1 |
1 |
1 |
3 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
XHHW, |
8 |
1 |
3 |
5 |
8 |
15 |
20 |
34 |
XHHW-2 |
6 |
1 |
2 |
4 |
6 |
11 |
15 |
25 |
4 |
1 |
1 |
3 |
4 |
8 |
11 |
18 |
|
2 |
1 |
1 |
1 |
3 |
6 |
8 |
13 |
|
1 |
0 |
1 |
1 |
2 |
4 |
6 |
10 |
|
1/0 |
0 |
1 |
1 |
1 |
3 |
5 |
8 |
|
2/0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
|
3/0 |
0 |
0 |
1 |
1 |
2 |
3 |
6 |
|
4/0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
|
250 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
|
300 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
350 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
|
400 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
|
500 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
600 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
700 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
750 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
|
900 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
1000 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
Definition: Compact stranding is the result of a manufacturing process where the standard conductor is compressed to the extent that the interstices (voids between strand wires) are virtually eliminated. |
[*] Corresponds to 356.2(1).
Table C7. Maximum Number of Conductors or Fixture Wires in Liquidtight Flexible Metal Conduit (LFMC) (Based on Table 1, Chapter 9)
[View Full Width]
[*] Types RHH, RHW, and RHW-2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor size |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FFH-2, |
18 |
8 |
15 |
24 |
42 |
54 |
89 |
RFH-2, |
16 |
7 |
12 |
20 |
35 |
46 |
75 |
RFHH-3 |
|||||||
SF-2, |
18 |
11 |
19 |
30 |
53 |
69 |
113 |
SFF-2 |
16 |
9 |
15 |
25 |
44 |
57 |
93 |
14 |
7 |
12 |
20 |
35 |
46 |
75 |
|
SF-1, |
18 |
19 |
33 |
53 |
94 |
122 |
199 |
SFF-1 |
|||||||
RFH -1, |
18 |
14 |
24 |
39 |
69 |
90 |
147 |
RFHH-2, |
|||||||
TF,TFF, |
|||||||
XF, XFF |
|||||||
RFHH-2, |
16 |
11 |
20 |
32 |
56 |
72 |
119 |
TF,TFF, |
|||||||
XF, XFF |
|||||||
XF,XFF |
14 |
9 |
15 |
25 |
44 |
57 |
93 |
TFN, |
18 |
23 |
39 |
63 |
111 |
144 |
236 |
TFFN |
16 |
17 |
30 |
48 |
85 |
110 |
180 |
PF,PFF, |
18 |
21 |
37 |
60 |
105 |
136 |
223 |
PGF, |
16 |
16 |
29 |
46 |
81 |
105 |
173 |
PGFF, |
14 |
12 |
21 |
35 |
61 |
79 |
129 |
PAF, |
|||||||
PTF, |
|||||||
PTFF, |
|||||||
PAFF |
|||||||
HF,HFF, |
18 |
28 |
48 |
77 |
136 |
176 |
288 |
ZF,ZFF, |
16 |
20 |
35 |
57 |
100 |
129 |
212 |
ZHF |
14 |
15 |
26 |
42 |
73 |
95 |
156 |
KF-2, |
18 |
40 |
70 |
112 |
197 |
255 |
418 |
KFF-2 |
16 |
28 |
49 |
79 |
139 |
180 |
295 |
14 |
19 |
34 |
54 |
95 |
123 |
202 |
|
12 |
13 |
23 |
37 |
65 |
85 |
139 |
|
10 |
9 |
15 |
25 |
44 |
57 |
93 |
|
KF-1, |
18 |
48 |
83 |
134 |
235 |
304 |
499 |
KFF-1 |
16 |
34 |
58 |
94 |
165 |
214 |
350 |
14 |
23 |
39 |
63 |
111 |
144 |
236 |
|
12 |
15 |
26 |
42 |
73 |
95 |
156 |
|
10 |
10 |
17 |
27 |
48 |
62 |
102 |
|
XF, |
12 |
5 |
8 |
13 |
23 |
30 |
50 |
XFF |
10 |
3 |
6 |
10 |
18 |
23 |
39 |
Table C7(A). Maximum Number of Compact Conductors in Liquidtight Flexible Metal Conduit (LFMC) (Based on Table 1, Chapter 9)
[View Full Width]
Table C8. Maximum Number of Conductors or Fixture Wires in Rigid Metal Conduit (RMC) (Based on Table 1, Chapter 9)
[View Full Width]
[*] Types RHH, RHW, and RHW-2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size (AWG/kcmil) |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FFH-2, |
18 |
8 |
15 |
24 |
42 |
57 |
94 |
RFH-2, |
16 |
7 |
12 |
20 |
35 |
48 |
79 |
RFHH-3 |
|||||||
SF-2, |
18 |
11 |
19 |
31 |
53 |
72 |
118 |
SFF-2 |
16 |
9 |
15 |
25 |
44 |
59 |
98 |
14 |
7 |
12 |
20 |
35 |
48 |
79 |
|
SF-1, |
18 |
19 |
33 |
54 |
94 |
127 |
209 |
SFF-1 |
|||||||
RFH-1, |
18 |
14 |
25 |
40 |
69 |
94 |
155 |
RFHH-2, |
|||||||
TF, TFF, |
|||||||
XF, XFF |
|||||||
RFHH-2, |
16 |
11 |
20 |
32 |
56 |
76 |
125 |
TF, TFF, |
|||||||
XF, XFF |
|||||||
XF, XFF |
14 |
9 |
15 |
25 |
44 |
59 |
98 |
TFN, |
18 |
23 |
40 |
64 |
111 |
150 |
248 |
TFFN |
16 |
17 |
30 |
49 |
84 |
115 |
189 |
PF, PFF, |
18 |
21 |
38 |
61 |
105 |
143 |
235 |
PGF, |
16 |
16 |
29 |
47 |
81 |
110 |
181 |
PGFF, |
14 |
12 |
22 |
35 |
61 |
83 |
136 |
PAF, PTF, |
|||||||
PTFF, |
|||||||
PAFF |
|||||||
HF, |
18 |
28 |
48 |
79 |
135 |
184 |
303 |
HFF, ZF, |
16 |
20 |
36 |
58 |
100 |
136 |
223 |
ZFF, ZHF |
14 |
15 |
26 |
42 |
73 |
100 |
164 |
KF-2, |
18 |
40 |
71 |
114 |
197 |
267 |
439 |
KFF-2 |
16 |
28 |
50 |
80 |
138 |
188 |
310 |
14 |
19 |
34 |
55 |
95 |
129 |
213 |
|
12 |
13 |
23 |
38 |
65 |
89 |
146 |
|
10 |
9 |
15 |
25 |
44 |
59 |
98 |
|
KF-1, |
18 |
48 |
84 |
136 |
235 |
318 |
524 |
KFF-1 |
16 |
34 |
59 |
96 |
165 |
224 |
368 |
14 |
23 |
40 |
64 |
111 |
150 |
248 |
|
12 |
15 |
26 |
42 |
73 |
100 |
164 |
|
10 |
10 |
17 |
28 |
48 |
65 |
107 |
|
XF, |
12 |
5 |
8 |
13 |
23 |
32 |
52 |
XFF |
10 |
3 |
6 |
10 |
18 |
25 |
41 |
Table C8(A). Maximum Number of Compact Conductors in Rigid Metal Conduit (RMC) (Based on Table 1, Chapter 9)
[View Full Width]
Table C9. Maximum Number of Conductors or Fixture Wires in Rigid PVC Conduit, Schedule 80 (Based on Table 1, Chapter 9)
[View Full Width]
[*] Types RHH, RHW, and RHW-2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size (AWG/kcmil) |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FFH-2, |
18 |
6 |
11 |
19 |
34 |
47 |
79 |
RFH-2, |
16 |
5 |
9 |
16 |
28 |
39 |
67 |
RFHH-3 |
|||||||
SF-2, |
18 |
7 |
14 |
24 |
43 |
59 |
100 |
SFF-2 |
16 |
6 |
11 |
20 |
35 |
49 |
82 |
14 |
5 |
9 |
16 |
28 |
39 |
67 |
|
SF-1, |
18 |
13 |
25 |
42 |
76 |
105 |
177 |
SFF-1 |
|||||||
RFH-1, |
18 |
10 |
18 |
31 |
56 |
77 |
130 |
RFHH-2, |
|||||||
TF, TFF, |
|||||||
XF, XFF |
|||||||
RFHH-2, |
16 |
8 |
15 |
25 |
45 |
62 |
105 |
TF, TFF, |
|||||||
XF, XFF |
|||||||
XF, XFF |
14 |
6 |
11 |
20 |
35 |
49 |
82 |
TFN, |
18 |
16 |
29 |
50 |
90 |
124 |
209 |
TFFN |
16 |
12 |
22 |
38 |
68 |
95 |
159 |
PF, PFF, |
18 |
15 |
28 |
47 |
85 |
118 |
198 |
PGF, |
16 |
11 |
22 |
36 |
66 |
91 |
153 |
PGFF, |
14 |
8 |
16 |
27 |
49 |
68 |
115 |
PAF, |
|||||||
PTF, |
|||||||
PTFF, |
|||||||
PAFF |
|||||||
HF, HFF, |
18 |
19 |
36 |
61 |
110 |
152 |
255 |
ZF, ZFF, |
16 |
14 |
27 |
45 |
81 |
112 |
188 |
ZHF |
14 |
10 |
19 |
33 |
59 |
82 |
138 |
KF-2, |
18 |
28 |
53 |
88 |
159 |
220 |
371 |
KFF-2 |
16 |
19 |
37 |
62 |
112 |
155 |
261 |
14 |
13 |
25 |
43 |
77 |
107 |
179 |
|
12 |
9 |
17 |
29 |
53 |
73 |
123 |
|
10 |
6 |
11 |
20 |
35 |
49 |
82 |
|
KF-1, |
18 |
33 |
63 |
106 |
190 |
263 |
442 |
KFF-1 |
16 |
23 |
44 |
74 |
133 |
185 |
310 |
14 |
16 |
29 |
50 |
90 |
124 |
209 |
|
12 |
10 |
19 |
33 |
59 |
82 |
138 |
|
10 |
7 |
13 |
21 |
39 |
54 |
90 |
|
XF, XFF |
12 |
3 |
6 |
10 |
19 |
26 |
44 |
10 |
2 |
5 |
8 |
15 |
20 |
34 |
|
Note 1: This table is for concentric stranded conductors only. For compact stranded conductors, Table C9(A) should be used. |
|||||||
Note 2: Two-hour fire-rated RHH cable has ceramifiable insulation, which has much larger diameters than other RHH wires. Consult manufacturer's conduit fill tables. |
Table C9(A). Maximum Number of Compact Conductors in Rigid PVC Conduit, Schedule 80 (Based on Table 1, Chapter 9)
[View Full Width]
Table C10. Maximum Number of Conductors or Fixture Wires in Rigid PVC Conduit, Schedule 40 and HDPE Conduit (Based on Table 1, Chapter 9)
[View Full Width]
[*] Types RHH, RHW, and RHW-2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size (AWG/kcmil) |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FFH-2, |
18 |
8 |
14 |
23 |
40 |
54 |
90 |
RFH-2, |
16 |
6 |
12 |
19 |
33 |
46 |
76 |
RFHH-3 |
|||||||
SF-2, |
18 |
10 |
17 |
29 |
50 |
69 |
114 |
SFF-2 |
16 |
8 |
14 |
24 |
42 |
57 |
94 |
14 |
6 |
12 |
19 |
33 |
46 |
76 |
|
SF-1, |
18 |
17 |
31 |
51 |
89 |
122 |
202 |
SFF-1 |
|||||||
RFHH-2, |
18 |
13 |
23 |
38 |
66 |
90 |
149 |
TF, TFF, |
|||||||
XF, XFF, |
|||||||
RFH-1 |
|||||||
RFFH-2, |
16 |
10 |
18 |
30 |
53 |
73 |
120 |
TF, TFF, |
|||||||
XF, XFF |
|||||||
XF, XFF |
14 |
8 |
14 |
24 |
42 |
57 |
94 |
TFN, |
18 |
20 |
37 |
60 |
105 |
144 |
239 |
TFFN |
16 |
16 |
28 |
46 |
80 |
110 |
183 |
PF, PFF, |
18 |
19 |
35 |
57 |
100 |
137 |
227 |
PGF, |
16 |
15 |
27 |
44 |
77 |
106 |
175 |
PGFF, |
14 |
11 |
20 |
33 |
58 |
79 |
131 |
PAF, PTF, |
|||||||
PTFF, |
|||||||
PAFF |
|||||||
HF, HFF, |
18 |
25 |
45 |
74 |
129 |
176 |
292 |
ZF, ZFF, |
16 |
18 |
33 |
54 |
95 |
130 |
216 |
ZHF |
14 |
13 |
24 |
40 |
70 |
95 |
158 |
KF-2, |
18 |
36 |
65 |
107 |
187 |
256 |
424 |
KFF-2 |
16 |
26 |
46 |
75 |
132 |
180 |
299 |
14 |
17 |
31 |
52 |
90 |
124 |
205 |
|
12 |
12 |
22 |
35 |
62 |
85 |
141 |
|
10 |
8 |
14 |
24 |
42 |
57 |
94 |
|
KF-1, |
18 |
43 |
78 |
128 |
223 |
305 |
506 |
KFF-1 |
16 |
30 |
55 |
90 |
157 |
214 |
355 |
14 |
20 |
37 |
60 |
105 |
144 |
239 |
|
12 |
13 |
24 |
40 |
70 |
95 |
158 |
|
10 |
9 |
16 |
26 |
45 |
62 |
103 |
|
XF, XFF |
12 |
4 |
8 |
12 |
22 |
30 |
50 |
10 |
3 |
6 |
10 |
17 |
24 |
39 |
Table C10(A). Maximum Number of Compact Conductors in Rigid PVC Conduit, Schedule 40 and HDPE Conduit (Based on Table 1, Chapter 9)
[View Full Width]
Table C11. Maximum Number of Conductors or Fixture Wires in Type A, Rigid PVC Conduit (Based on Table 1, Chapter 9)
[View Full Width]
[*] Types RHH, RHW, and RHW-#2 without outer covering.
Fixture Wires |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size |
Metric Designator (Trade Size) |
|||||
16 |
21 |
27 |
35 |
41 |
53 |
||
FFH-2, |
18 |
10 |
18 |
30 |
48 |
64 |
100 |
RFH-2, |
16 |
9 |
15 |
25 |
41 |
54 |
85 |
RFHH-3 |
|||||||
SF-2, |
18 |
13 |
22 |
37 |
61 |
81 |
127 |
SFF-2 |
16 |
11 |
18 |
31 |
51 |
67 |
105 |
14 |
9 |
15 |
25 |
41 |
54 |
85 |
|
SF-1, |
18 |
23 |
40 |
66 |
108 |
143 |
224 |
SFF-1 |
|||||||
RFH-1, |
18 |
17 |
29 |
49 |
80 |
105 |
165 |
RFHH-2, |
|||||||
TF, TFF, |
|||||||
XF, XFF |
|||||||
RFHH-2, |
16 |
14 |
24 |
39 |
65 |
85 |
134 |
TF, TFF, |
|||||||
XF, XFF |
|||||||
XF,XFF |
14 |
11 |
18 |
31 |
51 |
67 |
105 |
TFN, |
18 |
28 |
47 |
79 |
128 |
169 |
265 |
TFFN |
16 |
21 |
36 |
60 |
98 |
129 |
202 |
PF,PFF, |
18 |
26 |
45 |
74 |
122 |
160 |
251 |
PGF, |
16 |
20 |
34 |
58 |
94 |
124 |
194 |
PGFF, |
14 |
15 |
26 |
43 |
70 |
93 |
146 |
PAF, |
|||||||
PTF, |
|||||||
PTFF, |
|||||||
PAFF |
|||||||
HF, HFF, |
18 |
34 |
58 |
96 |
157 |
206 |
324 |
ZF, ZFF, |
16 |
25 |
42 |
71 |
116 |
152 |
239 |
ZHF |
14 |
18 |
31 |
52 |
85 |
112 |
175 |
KF-2, |
18 |
49 |
84 |
140 |
228 |
300 |
470 |
KFF-2 |
16 |
35 |
59 |
98 |
160 |
211 |
331 |
14 |
24 |
40 |
67 |
110 |
145 |
228 |
|
12 |
16 |
28 |
46 |
76 |
100 |
157 |
|
10 |
11 |
18 |
31 |
51 |
67 |
105 |
|
KF-1, |
18 |
59 |
100 |
167 |
272 |
357 |
561 |
KFF-1 |
16 |
41 |
70 |
117 |
191 |
251 |
394 |
14 |
28 |
47 |
79 |
128 |
169 |
265 |
|
12 |
18 |
31 |
52 |
85 |
112 |
175 |
|
10 |
12 |
20 |
34 |
55 |
73 |
115 |
|
XF,XFF |
12 |
6 |
10 |
16 |
27 |
35 |
56 |
10 |
4 |
8 |
13 |
21 |
28 |
44 |
Table C11(A). Maximum Number of Compact Conductors in Type A, Rigid PVC Conduit (Based on Table 1, Chapter 9)
[View Full Width]
Conductors |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size (AWG/kcmil) |
Metric Designator (Trade Size) |
|||||
53 |
78 |
91 |
103 |
129 |
155 |
||
RHH, |
14 |
53 |
119 |
155 |
197 |
303 |
430 |
RHW, |
12 |
44 |
98 |
128 |
163 |
251 |
357 |
RHW-2 |
10 |
35 |
79 |
104 |
132 |
203 |
288 |
8 |
18 |
41 |
54 |
69 |
106 |
151 |
|
6 |
15 |
33 |
43 |
55 |
85 |
121 |
|
4 |
11 |
26 |
34 |
43 |
66 |
94 |
|
3 |
10 |
23 |
30 |
38 |
58 |
83 |
|
2 |
9 |
20 |
26 |
33 |
50 |
72 |
|
1 |
6 |
13 |
17 |
21 |
33 |
47 |
|
1/0 |
5 |
11 |
15 |
19 |
29 |
41 |
|
2/0 |
4 |
10 |
13 |
16 |
25 |
36 |
|
3/0 |
4 |
8 |
11 |
14 |
22 |
31 |
|
4/0 |
3 |
7 |
9 |
12 |
18 |
26 |
|
250 |
2 |
5 |
7 |
9 |
14 |
20 |
|
300 |
1 |
5 |
6 |
8 |
12 |
17 |
|
350 |
1 |
4 |
5 |
7 |
11 |
16 |
|
400 |
1 |
4 |
5 |
6 |
10 |
14 |
|
500 |
1 |
3 |
4 |
5 |
9 |
12 |
|
600 |
1 |
3 |
3 |
4 |
7 |
10 |
|
700 |
1 |
2 |
3 |
4 |
6 |
9 |
|
750 |
1 |
2 |
3 |
4 |
6 |
9 |
|
800 |
1 |
2 |
3 |
4 |
6 |
8 |
|
900 |
1 |
1 |
2 |
3 |
5 |
7 |
|
1000 |
1 |
1 |
2 |
3 |
5 |
7 |
|
1250 |
1 |
1 |
1 |
2 |
3 |
5 |
|
1500 |
0 |
1 |
1 |
1 |
3 |
4 |
|
1750 |
0 |
1 |
1 |
1 |
3 |
4 |
|
2000 |
0 |
1 |
1 |
1 |
2 |
3 |
|
TW |
14 |
111 |
250 |
327 |
415 |
638 |
907 |
12 |
85 |
192 |
251 |
319 |
490 |
696 |
|
10 |
63 |
143 |
187 |
238 |
365 |
519 |
|
8 |
35 |
79 |
104 |
132 |
203 |
288 |
|
RHH[1], |
14 |
74 |
166 |
217 |
276 |
424 |
603 |
RHW[1], |
|||||||
RHW-2[1], |
|||||||
THHW, |
|||||||
THW, |
|||||||
THW-2 |
|||||||
RHH[1], |
12 |
59 |
134 |
175 |
222 |
341 |
485 |
RHW[1], |
10 |
46 |
104 |
136 |
173 |
266 |
378 |
RHW-2[1], |
|||||||
THHW, |
|||||||
THW |
|||||||
RHH[1], |
8 |
28 |
62 |
81 |
104 |
159 |
227 |
RHW[1], |
6 |
21 |
48 |
62 |
79 |
122 |
173 |
RHW-2[1], |
4 |
16 |
36 |
46 |
59 |
91 |
129 |
TW, |
3 |
13 |
30 |
40 |
51 |
78 |
111 |
THW, |
2 |
11 |
26 |
34 |
43 |
66 |
94 |
THHW, |
1 |
8 |
18 |
24 |
30 |
46 |
66 |
THW-2 |
1/0 |
7 |
15 |
20 |
26 |
40 |
56 |
2/0 |
6 |
13 |
17 |
22 |
34 |
48 |
|
3/0 |
5 |
11 |
14 |
18 |
28 |
40 |
|
4/0 |
4 |
9 |
12 |
15 |
24 |
34 |
|
250 |
3 |
7 |
10 |
12 |
19 |
27 |
|
300 |
3 |
6 |
8 |
11 |
17 |
24 |
|
350 |
2 |
6 |
7 |
9 |
15 |
21 |
|
400 |
2 |
5 |
7 |
8 |
13 |
19 |
|
500 |
1 |
4 |
5 |
7 |
11 |
16 |
|
600 |
1 |
3 |
4 |
6 |
9 |
13 |
|
700 |
1 |
3 |
4 |
5 |
8 |
11 |
|
750 |
1 |
3 |
4 |
5 |
7 |
11 |
|
800 |
1 |
3 |
3 |
4 |
7 |
10 |
|
900 |
1 |
2 |
3 |
4 |
6 |
9 |
|
1000 |
1 |
2 |
3 |
4 |
6 |
8 |
|
1250 |
1 |
1 |
2 |
3 |
4 |
6 |
|
1500 |
1 |
1 |
1 |
2 |
4 |
6 |
|
1750 |
1 |
1 |
1 |
2 |
3 |
5 |
|
2000 |
0 |
1 |
1 |
1 |
3 |
4 |
|
THHN, |
14 |
159 |
359 |
468 |
595 |
915 |
1300 |
THWN, |
12 |
116 |
262 |
342 |
434 |
667 |
948 |
THWN-2 |
10 |
73 |
165 |
215 |
274 |
420 |
597 |
8 |
42 |
95 |
124 |
158 |
242 |
344 |
|
6 |
30 |
68 |
89 |
114 |
175 |
248 |
|
4 |
19 |
42 |
55 |
70 |
107 |
153 |
|
3 |
16 |
36 |
46 |
59 |
91 |
129 |
|
2 |
13 |
30 |
39 |
50 |
76 |
109 |
|
1 |
10 |
22 |
29 |
37 |
57 |
80 |
|
1/0 |
8 |
18 |
24 |
31 |
48 |
68 |
|
2/0 |
7 |
15 |
20 |
26 |
40 |
56 |
|
3/0 |
5 |
13 |
17 |
21 |
33 |
47 |
|
4/0 |
4 |
10 |
14 |
18 |
27 |
39 |
|
250 |
4 |
8 |
11 |
14 |
22 |
31 |
|
300 |
3 |
7 |
10 |
12 |
19 |
27 |
|
350 |
3 |
6 |
8 |
11 |
17 |
24 |
|
400 |
2 |
6 |
7 |
10 |
15 |
21 |
|
500 |
1 |
5 |
6 |
8 |
12 |
18 |
|
THHN, |
600 |
1 |
4 |
5 |
6 |
10 |
14 |
THWN, |
700 |
1 |
3 |
4 |
6 |
9 |
12 |
THWN-2 |
750 |
1 |
3 |
4 |
5 |
8 |
12 |
800 |
1 |
3 |
4 |
5 |
8 |
11 |
|
900 |
1 |
3 |
3 |
4 |
7 |
10 |
|
1000 |
1 |
2 |
3 |
4 |
6 |
9 |
|
FEP, |
14 |
155 |
348 |
454 |
578 |
888 |
1261 |
FEPB, |
12 |
113 |
254 |
332 |
422 |
648 |
920 |
PFA, |
10 |
81 |
182 |
238 |
302 |
465 |
660 |
PFAH, |
8 |
46 |
104 |
136 |
173 |
266 |
378 |
TFE |
6 |
33 |
74 |
97 |
123 |
189 |
269 |
4 |
23 |
52 |
68 |
86 |
132 |
188 |
|
3 |
19 |
43 |
56 |
72 |
110 |
157 |
|
2 |
16 |
36 |
46 |
59 |
91 |
129 |
|
PFA, |
1 |
11 |
25 |
32 |
41 |
63 |
90 |
PFAH, |
|||||||
TFE |
|||||||
PFA, |
1/0 |
9 |
20 |
27 |
34 |
53 |
75 |
PFAH, |
2/0 |
7 |
17 |
22 |
28 |
43 |
62 |
TFE, Z |
3/0 |
6 |
14 |
18 |
23 |
36 |
51 |
4/0 |
5 |
11 |
15 |
19 |
29 |
42 |
|
Z |
14 |
186 |
419 |
547 |
696 |
1069 |
1519 |
12 |
132 |
297 |
388 |
494 |
759 |
1078 |
|
10 |
81 |
182 |
238 |
302 |
465 |
660 |
|
8 |
51 |
115 |
150 |
191 |
294 |
417 |
|
6 |
36 |
81 |
105 |
134 |
206 |
293 |
|
4 |
24 |
55 |
72 |
92 |
142 |
201 |
|
3 |
18 |
40 |
53 |
67 |
104 |
147 |
|
2 |
15 |
34 |
44 |
56 |
86 |
122 |
|
1 |
12 |
27 |
36 |
45 |
70 |
99 |
|
XHH, |
14 |
111 |
250 |
327 |
415 |
638 |
907 |
XHHW, |
12 |
85 |
192 |
251 |
319 |
490 |
696 |
XHHW-2, |
10 |
63 |
143 |
187 |
238 |
365 |
519 |
ZW |
8 |
35 |
79 |
104 |
132 |
203 |
288 |
6 |
26 |
59 |
77 |
98 |
150 |
213 |
|
4 |
19 |
42 |
56 |
71 |
109 |
155 |
|
3 |
16 |
36 |
47 |
60 |
92 |
131 |
|
2 |
13 |
30 |
39 |
50 |
77 |
110 |
|
XHH, |
1 |
10 |
22 |
29 |
37 |
58 |
82 |
XHHW, |
1/0 |
8 |
19 |
25 |
31 |
48 |
69 |
XHHW-2 |
2/0 |
7 |
16 |
20 |
26 |
40 |
57 |
3/0 |
6 |
13 |
17 |
22 |
33 |
47 |
|
4/0 |
5 |
11 |
14 |
18 |
27 |
39 |
|
250 |
4 |
9 |
11 |
15 |
22 |
32 |
|
300 |
3 |
7 |
10 |
12 |
19 |
28 |
|
350 |
3 |
6 |
9 |
11 |
17 |
24 |
|
400 |
2 |
6 |
8 |
10 |
15 |
22 |
|
500 |
1 |
5 |
6 |
8 |
12 |
18 |
|
600 |
1 |
4 |
5 |
6 |
10 |
14 |
|
700 |
1 |
3 |
4 |
6 |
9 |
12 |
|
750 |
1 |
3 |
4 |
5 |
8 |
12 |
|
800 |
1 |
3 |
4 |
5 |
8 |
11 |
|
900 |
1 |
3 |
3 |
4 |
7 |
10 |
|
1000 |
1 |
2 |
3 |
4 |
6 |
9 |
|
1250 |
1 |
1 |
2 |
3 |
5 |
7 |
|
1500 |
1 |
1 |
1 |
3 |
4 |
6 |
|
1750 |
1 |
1 |
1 |
2 |
4 |
5 |
|
2000 |
0 |
1 |
1 |
1 |
3 |
5 |
|
Note 1: This table is for concentric stranded conductors only. For compact stranded conductors, Table C12(A) should be used. |
|||||||
Note 2: Two-hour fire-rated RHH cable has ceramifiable insulation, which has much larger diameters than other RHH wires. Consult manufacturer's conduit fill tables. |
[1] Types RHH, RHW, and RHW-2 without outer covering.
Compact Conductors |
|||||||
---|---|---|---|---|---|---|---|
Type |
Conductor Size (AWG/kcmil) |
Metric Designator (Trade Size) |
|||||
53 |
78 |
91 |
103 |
129 |
155 |
||
THW, |
8 |
30 |
68 |
89 |
113 |
174 |
247 |
THW-2, |
6 |
23 |
52 |
69 |
87 |
134 |
191 |
THHW |
4 |
17 |
39 |
51 |
65 |
100 |
143 |
2 |
13 |
29 |
38 |
48 |
74 |
105 |
|
1 |
9 |
20 |
26 |
34 |
52 |
74 |
|
1/0 |
8 |
17 |
23 |
29 |
45 |
64 |
|
2/0 |
6 |
15 |
19 |
24 |
38 |
54 |
|
3/0 |
5 |
12 |
16 |
21 |
32 |
46 |
|
4/0 |
4 |
10 |
14 |
17 |
27 |
38 |
|
250 |
3 |
8 |
11 |
14 |
21 |
30 |
|
300 |
3 |
7 |
9 |
12 |
19 |
26 |
|
350 |
3 |
6 |
8 |
11 |
17 |
24 |
|
400 |
2 |
6 |
7 |
10 |
15 |
21 |
|
500 |
1 |
5 |
6 |
8 |
12 |
18 |
|
600 |
1 |
4 |
5 |
6 |
10 |
14 |
|
700 |
1 |
3 |
4 |
6 |
9 |
13 |
|
750 |
1 |
3 |
4 |
5 |
8 |
12 |
|
900 |
1 |
3 |
4 |
5 |
7 |
10 |
|
1000 |
1 |
2 |
3 |
4 |
7 |
9 |
|
THHN, |
8 |
||||||
THWN, |
6 |
34 |
77 |
100 |
128 |
196 |
279 |
THWN-2 |
4 |
21 |
47 |
62 |
79 |
121 |
172 |
2 |
15 |
34 |
44 |
57 |
87 |
124 |
|
1 |
11 |
25 |
33 |
42 |
65 |
93 |
|
1/0 |
9 |
22 |
28 |
36 |
56 |
79 |
|
2/0 |
8 |
18 |
23 |
30 |
46 |
65 |
|
3/0 |
6 |
15 |
20 |
25 |
38 |
55 |
|
4/0 |
5 |
12 |
16 |
20 |
32 |
45 |
|
250 |
4 |
10 |
13 |
16 |
25 |
35 |
|
300 |
4 |
8 |
11 |
14 |
22 |
31 |
|
350 |
3 |
7 |
9 |
12 |
19 |
27 |
|
400 |
3 |
6 |
8 |
11 |
17 |
24 |
|
500 |
2 |
5 |
7 |
9 |
14 |
20 |
|
600 |
1 |
4 |
6 |
7 |
11 |
16 |
|
700 |
1 |
4 |
5 |
6 |
10 |
14 |
|
750 |
1 |
4 |
5 |
6 |
9 |
14 |
|
900 |
1 |
3 |
4 |
5 |
7 |
10 |
|
1000 |
1 |
3 |
3 |
4 |
7 |
10 |
|
XHHW, |
8 |
39 |
88 |
115 |
146 |
225 |
320 |
XHHW-2 |
6 |
29 |
65 |
85 |
109 |
167 |
238 |
4 |
21 |
47 |
62 |
79 |
121 |
172 |
|
2 |
15 |
34 |
44 |
57 |
87 |
124 |
|
1 |
11 |
25 |
33 |
42 |
65 |
93 |
|
1/0 |
9 |
22 |
28 |
36 |
56 |
79 |
|
2/0 |
8 |
18 |
24 |
30 |
47 |
67 |
|
3/0 |
6 |
15 |
20 |
25 |
38 |
55 |
|
4/0 |
5 |
12 |
16 |
21 |
32 |
46 |
|
250 |
4 |
10 |
13 |
17 |
26 |
37 |
|
300 |
4 |
8 |
11 |
14 |
22 |
31 |
|
350 |
3 |
7 |
10 |
12 |
19 |
28 |
|
400 |
3 |
7 |
9 |
11 |
17 |
25 |
|
500 |
2 |
5 |
7 |
9 |
14 |
20 |
|
600 |
1 |
4 |
6 |
7 |
11 |
16 |
|
700 |
1 |
4 |
5 |
6 |
10 |
14 |
|
750 |
1 |
3 |
5 |
6 |
9 |
13 |
|
900 |
1 |
3 |
4 |
5 |
7 |
10 |
|
1000 |
1 |
3 |
4 |
5 |
7 |
10 |
|
Definition: Compact stranding is the result of a manufacturing process where the standard conductor is compressed to the extent that the interstices (voids between strand wires) are virtually eliminated. |
Article 90 Introduction
General
Wiring and Protection
Wiring Methods and Materials
Equipment for General Use
Special Occupancies
Special Equipment
Special Conditions
Tables
Annex C. Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size
Annex D. Examples
Annex E. Types of Construction