Feeder Circuits Questions and Correct Detailed
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Quiz: NEC 220.14 - each outlet has an assigned load of ___
Ans: 180VA
Quiz: NEC Table 310.16 covers conductors rated up to ___
Ans: 0-2000V
Quiz: NEC 220.14(I) each receptacle is assigned a value of ___
Ans: 180VA
Quiz: NEC 220.54 the load for household electric dryers must be calculated
at ____ or ____
Ans: 5000VA or the nameplate rating of the dryer — whichever is larger
Quiz: When space heating equipment utilizes electric resistance heating
elements, protection for the resistance elements shall not exceed 60A.
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, Ans: NEC 424.22(B)
Quiz: If breaker is not sufficient to hold the starting current of the motor, the
rating is permitted to be increased but cannot exceed ___ or the branch
circuit selection current, whichever is greater.
Ans: 225% of the motor rated load current
Quiz: Show window loads are ___
Ans: Always continuous
Quiz: NEC 220.14 (G) provided two options for calculating branch circuit
loads for show window lighting: either using the computed receptacle load of
___ (300mm) of show window.
Ans: 180VA per receptacle or 200VA per linear foot
Quiz: The actual sign load cannot exceed ___
Ans: 80% of the branch circuit rating
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