Electrical Grounding and Its Types
Quiz
•
Other
•
7th Grade
•
Practice Problem
•
Hard
Ann Sacabin
Used 8+ times
FREE Resource
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40 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Copper rods used for grounding should be a minimum of _______ feet long.
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
If the grounding rod is cannot be driven directly into the ground because of boulders/hard rocks, the NEC requires that it should be placed ___ in a trench at least 30" deep.
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
If two grounding rods are needed, they should be placed ____ feet apart.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All electrical appliances with a metal case/cabinet should have a grounding connection
True
False
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
The colour wire used for equipment grounding is _____
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is not true?
Feeder demand factors are applicable to household electric ranges.
A green colored conductor can be used as an ungrounded circuit conductor.
Insulated conductors #6 or smaller shall be white or gray, no marking tape permitted.
All joints or splices must be electrically and mechanically secure before soldering.
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as a part of, or in connection with, an electrical installation is __________.
Premises wiring (system)
Service Equipment
Utilization equipment
Equipment
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