UL certification programs, services and technical information on products regulated by the NEC® help electrical officials and other electrical professionals achieve safe, code compliant installations. These topics are organized by the same chapter structure consistent with those in the NEC.

Electrical Code TopicsWhite Book


Chapter 1: General


Chapter 2: Wiring and protection


Chapter 3: Wiring methods and materials


Chapter 4: Equipment for general use


Chapter 5: Special occupancies


Chapter 6: Special equipment


Chapter 7: Special conditions


Chapter 8: Communications systems

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