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Residential wiring test 1 with complete solutions
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Residential wiring test 1 with complete solutions
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Residential wiring test 1 with completesolutions
Line/load - Answer -The flow of electricity through a residential electrical system is from
______ to ______
5 - Answer -Using ohms law, current flow (A) through a circuit is ___ A when the circuit
is supplied with 120 v and has 24 ohms of resistance?
22,000 - Answer -The voltage output of commercial generators is typically ____V.
Complete path - Answer -A(n) ____ is a grouping of electrical devices and wires that
create a path for current to take from the power source (service panel), through controls
(switches), to the load (light fixtures and receptacles), and back to the power source.
System - Answer -____ grounding is designed to protect the entire electrical network.
Equipment - Answer -Grounding is designed to protect individual electrical components.
Water pipe - Answer -A(n) ____ is considered the best ground for a residential electrical
system.
False - Answer -An alternative electrode must be at least 10' in length.
True - Answer -An iron plate may be used as a made electrode.
True - Answer -A metal underground water pipe requires a supplemental electrode.
False - Answer -The minimum conduit diameter for a made electrode is 5/8"
2 - Answer -A 20' length of #____ Cu may be used as a ground ring.
2 1/2 - Answer -The minimum burial depth of a ground ring is ____'.
Bimetallic - Answer -A(n) ____ strip trips a thermal circuit breaker
True - Answer -The NEC requires GFCI protection on construction sites.
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