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Residential Wiring Review Exam with correct Answers
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Residential Wiring Review Exam with correct Answers
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Residential Wiring Review Exam withcorrect Answers
The open circuit voltage between the two terminals of a single pole switch on a lighting
circuit when the switch is in the off position is? - Answer -120 volts
an arc flash can produce temps of - Answer -35,000
listing or labeling of electrical equipment is done by a - Answer -Recognized testing
laboratory
The purpose of electrical symbols on plans is - Answer -to graphically represent
electrical products and systems
The national electrical code is a minimum standard of - Answer -Safety
the meaning of approved is - Answer -Acceptable to the authority having jurisdiction
as defined in article 100, a dwelling unit has the following feature - Answer -permanent
provisions for living, sleeping, cooking, and sanitation
All measurements in the national electrical code are shown in which system of units? -
Answer -both inch pound and metric values
in the international system of units, the prefix kilo- means? - Answer -thousand
In the international system of units, the prefix milli- means? - Answer -one thousandth
Nationally recognized testing laboratories (NRTL) ___________ electrical products to
provide a basis for approval by inspectors in the field - Answer -test and list
Devices are equipment whose primary function is to carry current, not to - Answer -
utilize electric energy
All of the following items of electrical equipment are devices, except for a.... - Answer -
lamp
, The NEC requires that a ____________ be installed at each conductor splice
connection point. - Answer -insulated wire connector
The NEC requires that a __________ be installed at each conductor splice connection
point. - Answer -flexible conduit
a receptacle outlet is... - Answer -an outlet where one or more receptacles are installed
where noncombustible surface mmaterial is used on walls or ceilings, outlet boxes must
be mounted so that they will be set back not more than_______ from the face of the
surface material - Answer -1/4 in. (6mm)
in construction of one and two family dwellings, the electrical circuits are usually
designed by the.... - Answer -electrician
all of the following are included when calculating the usable are of a dwelling to
compute the required lighting load, except for____________ - Answer -crawl space
a 20 ampere branch circuit requires __________ AWG conductors, ignoring the effects
of voltage drop. - Answer -12 copper
how is track lighting load in residences calculated? - Answer -it is considered to be part
of the general lighting load of 3 volt amperes per square foot
where fixed glass panels windows or non sliding parts of doors do not permit installation
of wall mounted receptacles, _____________ are typically used to satisfy the receptacle
spacing requirements of the NEC - Answer -floor mounted receptacles
NEC article 210 provides __________ guidelines for locating receptacles outlets in
residences. - Answer -mandatory
The "12 foot rule" for spacing receptacles applies to all the following ares of a house
except for.. - Answer -attics
wall receptacles in a habitable room must be placed so they are no further than
_________ feet from any point along the wall. - Answer -6
small appliance receptacle outlets __________ included in the 3 volt ampere per square
foot load calculation. - Answer -are not
The national electric code requires receptacles installed in a garage to be.... - Answer -
GFCI protected
a continuous load shall not exceed ______ of the rating of the branch circuit. - Answer -
80%
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