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Residential wiring final Questions and Answers (100% Pass)
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Residential wiring final Questions and Answers (100% Pass)
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1|Page | © copyright 2024/2025 | Grade A+Residential wiring final Questions
and Answers (100% Pass)
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 temperatures of ... Fahrenheit
✓ 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.
✓ Safety
The meaning of approved is...
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ Acceptable to the authority having jurisdiction
As defined in ARTICLE 100, a dwelling unit has the following features...
✓ 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 ...
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ 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
✓ Box or conduit body
In order that the connections inside an outlet box remain accessible, the NEC
requires that a surface extension from an outlet box cover be made using ...
✓ Flexible conduit
Electrical wall boxes should not be mounted back-to-back in walls because
...
✓ Sound may be transmitted from room to room, it reduces the fire
resistance of the wall, and the practice violates building codes
According to ... , unused knockouts and other openings in electrical boxes
and cabinets are required to be closed
Master01 | October, 2024/2025 | Latest update
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