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
Score: