NEC General Electrical Theory & Code Definitions 2

Question 1

Under the NEC, what is the definition of a 'branch circuit'?

Accepted Answer

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

Answer

NEC Article 100 defines a branch circuit as the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s).

Question 2

Which NEC term describes equipment that has been tested and listed by a nationally recognized testing laboratory?

Accepted Answer

Listed

Answer

NEC Article 100 defines 'listed' as equipment that has been evaluated by a nationally recognized testing laboratory and found to meet specific requirements.

Question 3

What is the NEC definition of 'ampacity'?

Accepted Answer

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

Answer

Ampacity is defined in NEC Article 100 as the current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.

Question 4

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

Accepted Answer

All circuit conductors between the service equipment and the final branch-circuit overcurrent device

Answer

A feeder is defined as all circuit conductors between the service equipment, the source of a separately derived system, or other supply source and the final branch-circuit overcurrent device.

Question 5

What does the NEC term 'identified' mean when applied to equipment or conductors?

Accepted Answer

Recognizable as suitable for a specific purpose, function, or use

Answer

Per NEC Article 100, 'identified' means recognizable as suitable for the specific purpose, function, use, environment, or application.

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NEC General Electrical Theory & Code Definitions 2