Residential Wiring Exam Review Questions with
Correct Verified Solutions
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?
120 volts
an arc flash can produce temps of
35,000
listing or labeling of electrical equipment is done by a
Recognized testing laboratory
The purpose of electrical symbols on plans is
to graphically represent electrical products and systems
The national electrical code is a minimum standard of
Safety
the meaning of approved is
Acceptable to the authority having jurisdiction
as defined in article 100, a dwelling unit has the following feature
permanent provisions for living, sleeping, cooking, and sanitation
All measurements in the national electrical code are shown in which system of units?
both inch pound and metric values
, in the international system of units, the prefix kilo- means?
thousand
In the international system of units, the prefix milli- means?
one thousandth
Nationally recognized testing laboratories (NRTL) ___________ electrical products to
provide a basis for approval by inspectors in the field
test and list
Devices are equipment whose primary function is to carry current, not to
utilize electric energy
All of the following items of electrical equipment are devices, except for a....
lamp
The NEC requires that a ____________ be installed at each conductor splice connection
point.
insulated wire connector
The NEC requires that a __________ be installed at each conductor splice connection point.
flexible conduit
a receptacle outlet is...
an outlet where one or more receptacles are installed
Correct Verified Solutions
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?
120 volts
an arc flash can produce temps of
35,000
listing or labeling of electrical equipment is done by a
Recognized testing laboratory
The purpose of electrical symbols on plans is
to graphically represent electrical products and systems
The national electrical code is a minimum standard of
Safety
the meaning of approved is
Acceptable to the authority having jurisdiction
as defined in article 100, a dwelling unit has the following feature
permanent provisions for living, sleeping, cooking, and sanitation
All measurements in the national electrical code are shown in which system of units?
both inch pound and metric values
, in the international system of units, the prefix kilo- means?
thousand
In the international system of units, the prefix milli- means?
one thousandth
Nationally recognized testing laboratories (NRTL) ___________ electrical products to
provide a basis for approval by inspectors in the field
test and list
Devices are equipment whose primary function is to carry current, not to
utilize electric energy
All of the following items of electrical equipment are devices, except for a....
lamp
The NEC requires that a ____________ be installed at each conductor splice connection
point.
insulated wire connector
The NEC requires that a __________ be installed at each conductor splice connection point.
flexible conduit
a receptacle outlet is...
an outlet where one or more receptacles are installed
