National Electrical Installation Standards

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NECA 305-2018, Standard for Installing Fire Alarm System Job Practices

This Standard describes practices for Installing, testing, and maintaining fire alarm systems. These job practices represent a minimum level of quality for fire alarm system installations.

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NECA 111-2017, Standard for Installing Nonmetallic Raceways (RNC,ENT, LFNC) (ANSI)

Describes installation procedures for nonmetallic raceways of circular cross-section used for electrical power wire and cable, communications wiring, or fiber optic cables.

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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

Building Codes Assistance Project Energy Code Adoption

Code Question of the Daytextbook

  • Friday, March 22, 2019
    CQD: 3/22/2019

    Contractor is requesting to spec and use DLO cable from disconnect switch to line reactor on a 480V compressor and from the line reactor to the compressor drive. the new feeder is parallel 350KCMIL and space in the reactor is limited on bend radius, is DLO cable acceptable to use and spec?

    Christopher Ring

  • Thursday, March 21, 2019
    CQD: 3/21/2019
    View Question and Answer

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