I. General
280.1 |
Scope |
280.2 |
Definition |
280.3 |
Number Required |
280.4 |
Surge-Arrester Selection |
II. Installation
280.11 |
Location |
280.12 |
Routing of Surge-Arrester Connections |
III. Connecting Surge Arresters
280.21 |
Installed at Services of Less Than 1000 Volts |
280.22 |
Installed on the Load Side of Services of Less Than 1000 Volts |
280.23 |
Circuits of 1 kV and overSurge-Arrester Conductors |
280.24 |
Circuits of 1 kV and overInterconnections |
280.25 |
Grounding |
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