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Residential wireman test part 1 Questions and answers | Latest 2024/25 RATED A+
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Residential wireman test part 1 Questions and answers | Latest 2024/25 RATED A+
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Residential wireman test part 1Questions and answers | Latest 2024/25
RATED A+
The National Electrical Code not intended as ________. - design specification or as an
instrucion manual
The provisions of the national electrical code are considered necessary for ________.
- safety
What is not covered within the scope of the national electrical code? - installation in
underground mines
Which chapter of the national electrical code covers communications systems? -
chapter 8
The informational annexes of the national electrical code are for ______. -
informational purposes only
If the current edition of the national electrical code requires the use of a new product
but that product is not yet available then the _____ may permit the use of a product
from the most recent previous edition. - authority having jurisdiction
A rule that identifies actions that are allowed but not required is ______. - Permissive
It is not necessary to inspect a piece of equipment that has not been altered or
damaged and has been listed by a qualified electrical testing laboratory is the be
installed in a structure - True
Distribution centers located in readily accessible locations provide _______. -
Convenience and safety of operation
Limits on the number of circuits in a single enclosure minimize the effects from a
_______. - Ground fault or short circuit
Where units of measurement are used in the national electrical code they are given in
_______ units. - Inch-pound and/or SI
When a hard conversion is made the ________ may change. - dimensions
Accessible as applied to equipment means admitting close approach and not guarded
by _____. - elevation, locked doors, or other affective means.
, The ampacity is the maximum current, in ampheres, that a conductor can carry
continuously under the conditions of use without exceeding its ______ rating. -
Temperature
An arc-fault circuit interrupter, or AFCI is a device which provides protection from the
effects of arc faults by _______. - recognizing characteristics unique to arcing and
functioning to de-energize the circuit when an arc fault is detected
Askarel is a ______ term for a group of non-flammable synthetic chlorinated
hydrocarbons used as electrical insulating media - generic
Bonding means connected to establish electrical ______. - conductivity and continuity
A bonding jumper is a connection between a grounded circuit conductor and ______,
at a separately derived system. - a supply-side bonding jumper and an equipment
grounding conductor
A _____ is the circuit conductors between the final overcurrent device protecting the
circuit and the outlets. - Branch circuit
Finely divided solid material that is a maximum of _______ microns and presents a fire
or explosion hazard dispersed and ignited in air is combustible dust. - 500
A pressure connector is a device that establishes a connection between ________ by
means of mechanical pressure and without the use of a solder. - -two or more
conductors
-one or more conductors and a terminal
A composite optical fiber cable contains - -optical fibers
-current carrying electrical conductors
A continuous load is a load where the maximum current is expected to continue for
_______ hours or more. - 3
A ________ is a device by which the conductors of a circuit can be disconnected from
their source of supply. - Disconnecting means
Intermittent duty is described as the operation for alternate intervals of _______. - -
load and no load
-load and rest
-load, no load and rest
Any circuit conductor between the service equipment, the source of a separately
derived system, or other power supply source and the final branch-circuit overcurrent
device is a _______. - Feeder
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