Speak Properly

Proper use of the NEC is essential and separates the best from the rest, whether in estimating, project management or carrying out the responsibilities of a field foreman. It is important not to use slang words or terms with different meanings than those defined in the Code. Always use a “common language of communication” supported by defined terms.

1. What is the NEC term for the local building department or electrical inspector?

Correct Answer: Authority having jurisdiction

2. The term “disconnecting means” refers to a single disconnecting means.

Correct Answer: False

3. A continuous load is one where the maximum current is expected for ________.

Correct Answer: 3 hours

4. If an NEC rule requires equipment or an installation to be approved, which of the following is implied?

Correct Answer: Acceptable to the authority having jurisdiction

5. The terms “building” and “structure” as used in the NEC do not apply to equipment.

Correct Answer: True

6. The term “ground” is intended to mean which of the following?

Correct Answer: The earth

7. Which of the following is not considered a fitting according to the NEC?

Correct Answer: Box

8. Waterproof equipment is constructed so that moisture will not enter the equipment enclosure under specified test conditions.

Correct Answer: False

9. A Class A ground-fault circuit interrupter should trip when the current is 6 mA or higher and should not trip when the ground-fault current is lower than 4 mA.

Correct Answer: True

10. A conducting object through which a direct connection to earth is established best defines which of the following?

Correct Answer: Grounding electrode