The enforcement of the NEC is the responsibility of the authority having jurisdiction (AHJ), who is responsible for interpreting requirements, approving equipment and materials, waiving Code requirements, and ensuring equipment is installed in accordance with listing instructions. 100.
Which code contains the provisions that are considered necessary for safety?
The electrical code contains basic minimum provisions considered necessary for safety. Compliance with this code and proper maintenance will result in an installation essentially free from hazards, but not necessarily efficient, convenient, or adequate for good service or future expansion.
What is the NEC responsible for?
The NEC (the National Fire Protection Association’s NFPA 70) is a widely-adopted model code for the installation of electrical components and systems . Its purpose is to safeguard persons and property from hazards arising from the use of electricity (NEC 90.1(A)).
What does gray shading in the NEC mean?
An entire figure or illustration caption with gray shading indicates a change to an existing figure or illustration . New sections, tables, and figures are indicated by a bold, italic N in a gray box to the left of the new material. An N next to an Article title indicates that the entire Article is new.
Where does it state that informative annexes are not part of the enforceable requirements of the NEC?
Informative annexes are not part of the enforceable requirements of the NEC, but are included for information purposes only .
What is Article 110 of the NEC?
Article 110 of the National Electrical Code (NEC) covers the general requirements for the examination and approval, installation and use, access to, and spaces about electrical equipment . ... The authority having jurisdiction (AHJ) must approve all electrical conductors and equipment [Sec. 110.2].
What are the 4 NEC sections?
The first four chapters cover definitions and rules for installations (voltages, connections, markings, etc.), circuits and circuit protection, methods and materials for wiring (wiring devices, conductors, cables, etc.), and general-purpose equipment (cords, receptacles, switches, heaters, etc.).
Is the NEC a law?
The codes are a part of the National Fire Protection Association, a private trade association. Despite its authoritative positioning and national title, NEC standards are not federal law . Instead, NEC standards are either adopted by local governments or local governments create and enforce their own electric code.
Who is responsible for enforcing the NEC?
The enforcement of the NEC is the responsibility of the authority having jurisdiction (AHJ) , who is responsible for interpreting requirements, approving equipment and materials, waiving Code requirements, and ensuring equipment is installed in accordance with listing instructions. 100.
What is the most recent NEC code?
Based on the 2020 National Electrical Code (NEC), the NATIONAL ELECTRICAL CODE 2020 softbound edition includes the most current requirements and emerging topics, such as renewable energy and energy storage, to help protect and build a safer world.
Which installation is not covered by the NEC?
The NEC does not cover electrical installations in ships, water- craft, railway rolling stock, aircraft, or automotive vehicles. 10. The Code covers underground mine installations and self- propelled mobile surface mining machinery and its attendant electrical trailing cable.
Which of the following installations are covered by the NEC?
Now the scope of the NEC mentions that the NEC covers the installation and removal of electrical conductors, equipment, and raceways ; signaling and communications conductors, equipment, and raceways; and optical fiber cables and raceways.
How are changes to sections of code from previous editions identified in the NEC?
The 2020 NEC® includes revision symbols identifying changes from the previous edition. ... When a chapter was heavily revised, the entire chapter is marked throughout with the Δ symbol. Where one or more sections were deleted, a • is placed between the remaining sections.
What are the five functions of the NEC?
Inspection, Investigation, Review (of drawings and specifications), Implementation (everything from design through maintenance), and Regulation.
What are the main topics of the NEC?
The articles are the main topics of the nec, beginning with nec article 90, introduction, and ending with nec article 840, premise-powered broadband communications system. nine chapters form the broad structures of the nec.
What is Article 90 of the NEC?
NEC Article 90 is the introduction and first article in the code book. It includes topics like why the code exists, how the code works, and what the code covers and does not cover.
