NEC General Requirements and Definitions 2

Question 1

Under NEC Article 100, what is the definition of 'ampacity'?

Accepted Answer

The current in amperes a conductor can carry continuously under conditions of use without exceeding its temperature rating

Answer

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.

Question 2

What does the NEC term 'listed' mean when applied to equipment?

Accepted Answer

Equipment that has been evaluated by a nationally recognized testing laboratory and found to meet applicable standards

Answer

Listed equipment has been evaluated by a qualified electrical testing laboratory and found to meet applicable standards for safety.

Question 3

How does the NEC define a 'branch circuit'?

Accepted Answer

The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s)

Answer

A branch circuit consists of the circuit conductors between the final overcurrent protective device and the outlet(s) it serves.

Question 4

According to NEC Article 100, what is a 'raceway'?

Accepted Answer

An enclosed channel designed expressly for holding wires, cables, or busbars

Answer

A raceway is an enclosed channel of metallic or nonmetallic materials designed expressly for holding wires, cables, or busbars.

Question 5

Under NEC Section 110.3(B), installed equipment must be used in accordance with:

Accepted Answer

Any listing or labeling instructions included with the equipment

Answer

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.

NEC Practice Test

NEC Practice Test

NEC General Requirements and Definitions 2