Article 338 Service-Entrance Cable Types SE and USE

I. General





This cable is either Type SE or USE and is used primarily for services. Type SE has a flame-retardant and moisture-resistant cover. Type USE, which is the one used underground, has a moisture-resistant cover.

II. Installation


Uses Permitted

(A) Service-Entrance Conductors. When used as service- entrance conductors, you must follow 230.6, 230.7, and Parts II, III, and IV of Article 230. If protected as noted in Section 300.5(D), Type USE can come above ground outside in meter enclosures or terminations when used as a service lateral.

(B) Branch Circuits or Feeders.

(1) Grounded Conductor Insulated. Type SE can be used if all conductors are rubber-covered or thermoplastic type.

(2) Grounded Conductor Not Insulated. Generally, Type SE cable can be used where the insulated conductor is used for circuit wiring in a building and where the uninsulated conductor is used only for equipment grounding. There is an exception.

(3) Temperature Limitations. Do not exceed temperature specified.

(4) Installation Methods for Branch Circuits and Feeders.

Review applicable sections of the NEC®.


Bending Radius


III. Construction





Article 90 Introduction


Wiring and Protection

Wiring Methods and Materials

Equipment for General Use

Special Occupancies

Special Equipment

Special Conditions


Annex C. Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size

Annex D. Examples

Annex E. Types of Construction

Pocket Guide to the National Electrical Code 2005
Pocket Guide to the National Electrical Code(R), 2005 Edition (8th Edition)
ISBN: 0131480014
EAN: 2147483647
Year: 2004
Pages: 120 © 2008-2020.
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