General Requirements and Definitions Flashcards
7 cards from real NEC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 General Requirements and Definitions flashcards as text
Under NEC Article 100, what is the definition of 'ampacity'?
Answer: The current in amperes a conductor can carry continuously under conditions of use without exceeding its temperature rating
Ampacity is defined in Article 100 as the current in amperes a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
What does the NEC term 'listed' mean when applied to equipment?
Answer: Equipment that has been evaluated by a nationally recognized testing laboratory and found to meet applicable standards
Listed equipment has been evaluated by a qualified electrical testing laboratory and found to meet applicable standards for safety.
How does the NEC define a 'branch circuit'?
Answer: The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s)
A branch circuit consists of the circuit conductors between the final overcurrent protective device and the outlet(s) it serves.
According to NEC Article 100, what is a 'raceway'?
Answer: An enclosed channel designed expressly for holding wires, cables, or busbars
A raceway is an enclosed channel of metallic or nonmetallic materials designed expressly for holding wires, cables, or busbars.
Under NEC Section 110.3(B), installed equipment must be used in accordance with:
Answer: Any listing or labeling instructions included with the equipment
NEC 110.3(B) requires that listed or labeled equipment be installed and used in accordance with any instructions included in the listing or labeling.
What NEC term describes equipment acceptable to the authority having jurisdiction for a specific installation?
Answer: Approved
Approved means acceptable to the authority having jurisdiction and can apply to equipment evaluated specifically for a particular installation rather than bearing a general listing.
According to NEC Article 100, what distinguishes a 'grounded conductor' from a 'grounding conductor'?
Answer: A grounded conductor is a current-carrying conductor intentionally connected to ground; a grounding conductor connects equipment to ground for safety
The grounded conductor (neutral) is intentionally connected to ground and carries current during normal operation, while the grounding conductor (EGC) connects non-current-carrying metal parts to ground for fault protection.