National Electrical Installation Standards

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NECA 416-2016 Recommended Practice for Installing Energy Storage Systems

This standard describes methods and procedures used for installing multiple types energy storage systems. It also includes information about controlling and managing energy storage systems, in addition to commissioning and maintaining energy storage systems.
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NECA/FOA 301-2016 Standard for Installing and Testing Fiber Optics

This standard describes installation and test procedures for fiber optic cabling networks. This standard applies fiber optic cabling installed indoors (premises installations) and outside plant (OSP) applications.
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State Regulationsusa country shape

Find the major provisions of electrical code, enforcement, and contractor/electrician licensing requirements for each state in the U.S.

US Electrical Codes & Regulations by State »
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NEC Adoption by State

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Code Question of the Daytextbook

  • Tuesday, September 25, 2018
    CQD: 9/25/2018

    Is it ever okay to use a 15amp switch with a 20 amp circuit breaker.

    Donna Betchner
  • Monday, September 24, 2018
    CQD: 9/24/2018
    View Question and Answer

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