COMPREHENSIVE EXAM PAPER TEST BANK
FULL SOLUTION UPDATED 2026 WITH 100%
CORRECT ANSWERS
◉Frequency of AC . Answer: Measured in hertz Hz.
◉Electrical Signal . Answer: Refers to a voltage that can convey
information.
◉Amplitude . Answer: Refers to the maximum voltage that can be
reached by a signal.
◉There is a return path for it making it a complete Circuit . Answer:
Electricity may flow only when.
◉Neutral . Answer: The return path for electrical power to flow back to
the service panel.
◉Live Wire/ Hot wire . Answer: The _____ wire is always ungrounded
and carries electrical power.
,◉Grounding Electrode Conductor . Answer: Originates at the neutral or
equipment ground bus of the service panel.
◉False, It should always make contact with the earth . Answer: A
grounding electrode should not be in contact with the earth.
◉Watts are the measure of power, Volts x Amps. Voltage is the measure
of potential energy. . Answer: Compare watts with volts.
◉125% / 100% . Answer: You should size conductors no less than ___
the continuous loads plus ___ of the non-continuous loads.
◉American Wire Gage (AWG) . Answer: Conductor sizes are often
expressed in _______________ (AWG).
◉Ampacity . Answer: Refers to the allowable current-carrying capacity
of a conductor.
◉Insulation Type . Answer: Determines the areas the wires can and
cannot be used.
◉RHH Wires . Answer: Uses rubber insulation that is high heat resistant
and is only good in dry locations.
, ◉RHW-2 Wires . Answer: Use rubber insulation but are suitable for wet
locations.
◉Non-metallic (NM) Cables . Answer: Can be used inside wall, ceiling
or under the floor.
◉Underground Feeder (UF) Cables or Non-Metallic Wet Underground
(NMWU) . Answer: Most appropriate for damp areas.
◉THWN . Answer: Flame retardant, Heat resistant, Moisture resistant,
Gasoline resistant, and oil resistant.
◉6 AWG . Answer: An insulated grounded conductor which is __ AWG
or below should be identified by a continuous white or gray outer finish.
◉Line Voltage . Answer: The amount of voltage measured between any
two line conductors of a balanced three-phase system. (Phase to Phase)
◉Phase Voltage . Answer: Describes the voltage measured across any
one component of a balanced three-phase system.
◉Ground Fault . Answer: An unintentional mess up. (When a conductor
is shorted to ground)