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IEC Electrical final exam study guide Questions and Answers Fully Solved
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IEC Electrical final exam study guide
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IEC Electrical final exam study guidean electrical grounding conductor is permitted to be what color - answer Green
which of the following types of current travel through a circuit breaker - answer short
circuit, ground fault, overload
explanatory material is represented through the code using - answer informational note
opposition to current flow is - answer resistance
what is the voltage drop on a 120 volt circuit? the circuit uses 12 awg copper conductors
and has a load of 20 Amps. there is a resistance of 100 feet from the panel to the load
(use K=12) - answer7.35 Volts
a flush mounted well light is located in the corner of a sidewalk at a house. The side
walk is 3 in thick and schedule 40 PVC will be installed for the power. this 20 amp, 120
v circuit is GFCI protected. in inches what is the min depth from top of conduit to top of
sidewalk. - answer6 inches
horizontal runs of trade size 3 schedule 40 PVC must be supported at what ft intervals -
answer6 ft
the ampacity of a number 10 THHN/THWN copper wire in a conduit with 7 other current
carrying conductors is how many amps - answer28 AMP
the rating of a branch circuit is determined by its - answerover-current protective device
(fuse or current breaker)
find the minimum wire size to limit the voltage drop 5%. you will run 300 ft of type NM-B
cable, to a 120 volt, 1/2 HP 8- amp load. - answer10
a circuit installed in EMT between a 2 pole circuit breaker and a load. if the hots are
touched together in a junction box somewhere in the pipe. run, this is what type of
condition - answershort circuit
In a dwelling at least _____ ampere branch circuit must be provided for bathroom
receptacles. - answer20
A luminaire installed under a covered breeze way would have to be marked as suitable
for a ________ location. - answerdamp
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