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Residential Wiring Chapter 10 & 11 Exam Question and Answers
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Residential Wiring Chapter 10 & 11 Exam Question and Answers
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Residential Wiring Chapter 10 & 11 ExamQuestion and Answers
Temporary power interruption,
0V,
3 sec and 1 min - Answer -A___________ is a decrease to __________ on one or more
power lines lasting between ______________ min.
Transient - Answer -A _____________ is a temporary, unwanted voltage in an electrical
circuit.
Sustained power intemuption - Answer -A _________________ is a decrease to 0V on
a power lines for a period of more than 1 min
Automatic transfer switch - Answer -An ___________________ is an electrical device
that transfers the load of a residence from public utility circuits to the output of a standby
generator during a power failure.
Whole- house generators - Answer -Permanent________________ are permanently
installed standby generator systems that can supply temporary power to entire
residences.
Transfer switch - Answer -A _____________ is a switch that isolates a generator from a
power grid.
Residential generators - Answer -____________________ are installed outside
similarly to the condenser of a home air conditioning unit.
3 feet - Answer -NEC standards governing the elevation of service conductors specify a
___________ clearance over adjacent are required for sidewalks, private drives, alleys,
and streets.
10 feet, 3 feet - Answer -To comply with NEC standards, a service head must be at leat
___________ above and ______________ to the side of any platform.
230V - Answer -Fastening the handles of 2 circuit breakers together ensures that, in the
event of a ____________ overload, both hot lines are disconnected simulaneously
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