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 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.
What NEC article contains a list of the electrical installations that are covered by the NEC?
| Front Back | The two-fold purpose of the NEC is to protect _____ and _____ from the dangers associated with the use of electricity. Person, Property | The ________ of NEC contains a list of the electrical installations that are covered by the NEC. Scope |
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Do Chapters 5/6 and 7 of the NEC apply to all electrical installations covered by the NEC?
Rules in several different articles often apply to even a simple installation . Article 90 then describes the scope and arrangement of the NEC . ... Chapters 5 , 6, and 7 make up a large portion of the NEC , but they apply to special occupancies, special equipment , or other special conditions.
What article in the NEC discusses electrical connections?
Article 110 outlines many general guidelines that govern electrical installations, one of which is the fact that you must use equipment that’s “listed” and “labeled” for the intended use, as well as follow instructions included in the listing or labeling.
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.
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.
What does the NEC apply to?
The National Electrical Code (NEC) is a set of safety rules that applies to the installation and maintenance of electrical wiring systems within people’s homes and within businesses and commercial buildings.
Is premises wiring is covered by the NEC?
So, it is clear that the NEC applies to premises wiring systems only . ... The National Electrical Safety Code is applicable to supply systems and to equipment operated by electric, telephone and cable television utilities.
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.
Does compliance with the NEC always result in?
The section of the NEC which states that compliance with the Code does not always result in an electrical installation that is efficient, convenient, or adequate for good service or future expansion of electrical use.
Is Chapter 8 subject to the requirements of Chapters 1 through 7 of the NEC?
Is this acceptable, or is it a violation? Informative Annexes are part of the enforceable requirements of the NEC. Chapters 5, 6, and 7 are special and will supplement or modify ? . Chapter 8 is not subject to the requirements of Chapters 1 through 7 , unless a specific reference is made in ?
How are chapters divided in the NEC?
The Code is divided into the introduction and nine chapters , as shown in Figure 90.3 of the NEC. Chapters 1, 2, 3, and 4 apply generally; Chapters 5, 6, and 7 apply to special occupancies, special equipment, or other special conditions. These latter chapters supplement or modify the general rules.
Is Double lugging against code?
Double lugged neutrals are a defect, were never up to code , and should be corrected. The good news is that it should take an electrician about 1 minute to fix it!
What is the title of NEC Article 200?
Article 200 covers the identification of terminals, grounded conductors in premises wiring systems, and identification of grounded conductors. The wiring systems of all premises must have a grounded conductor that is identified as stated in Section 200.6.
Does NEC 110.26 apply to Transformers?
The National Electrical Code Section 110.26 (A) Working Space states in part, “Working space for equipment operating at 600 volts, nominal, or less to ground and likely to require examination, adjustment, servicing, or maintenance while energized.” Transformers are not meant to be worked on while energized , therefore ...
