Electrical Practice Exam QUESTIONS & ANWERS(VERIFIED )
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Course
Master Electrician
Institution
Master Electrician
Flexible metal conduit is sometimes referred to as? - ANSWER Greenfield
What do you look for to determine if a switch or receptacle is acceptable for copper and aluminum wiring? - ANSWER CO/ALR
What type of receptacle should not be used with aluminum branch circuits wiring any longer? - ANSWE...
Electrical Practice Exam QUESTIONS &
ANWERS(VERIFIED )
Flexible metal conduit is sometimes referred to as? - ANSWER Greenfield
What do you look for to determine if a switch or receptacle is acceptable for copper and aluminum
wiring? - ANSWER CO/ALR
What type of receptacle should not be used with aluminum branch circuits wiring any longer? - ANSWER
CU/AL
What type of wire nut is not appropriate for aluminum wire? - ANSWER Conventional
What is another name for a grounding rod? - ANSWER Electrode
What is the purpose of a circuit breaker? - ANSWER Interruption of electrical flow
What are two examples of automatic circuit breakers? - ANSWER Fuses and Breakers
What is another term for NM sheathed cable? - ANSWER Romex
Minimum distance of a GFCI from a bathtub or shower: - ANSWER 0 by the code (36 by the brown book,
but on exam it should be 0)
Maximum distance of an outlet from a lavatory/basin: - ANSWER 3'
Which is deficient? - ANSWER Unused opening that has been taped
, A device designed to open and close a circuit by non-automatic means and applied within its rating to
open the circuit automatically when predetermined over-current is called? - ANSWER Circuit Breaker
Type NM wiring shall be supported a maximum of _______ on center. - ANSWER 4.5 feet
At a kitchen counter, countertop receptacle outlets shall be installed within a maximum horizontal
distance of _______ from any point along the wall to an outlet. - ANSWER 24 inches
Which of the following is a good conductor? - ANSWER Copper,Aluminum & Silver (All of the above)
Is the service drop overhead or underground? - ANSWER Overhead
Are service laterals overhead or underground? - ANSWER Underground
The drip loop is typically part of the service drop. - ANSWER False (It is part of the service entrance)
Which of the following is a reliable way to identify the service size? - ANSWER The service entry
conductor size
Which of the following is a safety issue? - ANSWER The main fuses have a higher rating than the service
entrance wire.
How should the feeder wires to a sub-panel from the main panel ideally be protected? - ANSWER Fuses
should be provided at the main panel
Which of the following wires are stranded? - ANSWER #8, #6 (Both C and D)
Bonding the gas piping to the supply plumbing system mean that: - ANSWER Any stray electrical current
will not cause arcing, which otherwise could ignite the gas
Polarity occurs when? - ANSWER Electrical receptacle is connected (properly)
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