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ELECTRICAL ENGINEERING HOMEWORK TEST QUESTIONS AND ANSWERS
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ELECTRICAL ENGINEERING HOMEWORK TEST QUESTIONS AND ANSWERS
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ELECTRICAL ENGINEERING HOMEWORKTEST QUESTIONS AND ANSWERS.
Who enforces the NEC?
Correct Answer -Electrical inspector government body.
How many chapters are in the NEC?
Correct Answer -There are 9 chapters in the NEC
What two terms does the NEC use to state something is mandatory?
Correct Answer -Shall, shall not
Name two types of electricians?
Correct Answer -Maintenance electricians, Installer electricians
List one type of electrician, and a type of installation they would do?
Correct Answer -Commercial electricians install fire alarm systems and
lighting.
What type of electrician would install office lighting?
Correct Answer -Commercial electricians
What does OSHA stand for?
Correct Answer -Occupational Safety & Health Administration
What type of electrician would use a plastic nail-on device box?
Correct Answer -Residential electricians
, How many years do 8000 hours worked equal towards your electrical
license?
Correct Answer -4 years, 600 hours of schooling
What type of electrician generally uses non-metallic sheathed cable
(romex)?
Correct Answer -Residential electricians
The standard for electrical safety in the workplace is?
Correct Answer -NFPA 70E
Because of their light weight, _______ actively participate in the transfer of
energy.
Correct Answer -Electrons
What code article tells us the length of free conductors at outlets, junctions,
and switch points?
Correct Answer -Article 300.14
What code article states how much of the sheath on non- metallic sheath
cable must enter the box?
Correct Answer -Article 314.17 or Article 334.15
How much free conductor length is required in a box?
Correct Answer -6 inch
What is the maximum distance from a metallic box, using a non-metallic
sheathed cable, before it must be securely fasten in place, by an approved
method (ex. Staple) ?
Correct Answer -12 inches
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