QUESTIONS AND ANSWERS (VERIFIED) | GRADED A+
| LATEST UPDATE 2026/2027 | 100% ASSURED PASS.
What refers to a voltage can convey information? - CORRECT
ANSWER Electrical Signal
What refers to the maximum voltage that can be reached by a signal? -
CORRECT ANSWER Amplitude
Electricity may flow only when? - CORRECT ANSWER There has to
be a for it to return making a complete circuit
Alternating Current (AC) always flows one way then the other? -
CORRECT ANSWER True. AC always flows one way then the other.
The frequency of AC is measured in? - CORRECT ANSWER
Measured in hertz Hz
,What is the return path for electrical power to flow back to the service
panel? - CORRECT ANSWER Neutral
The live wire is always ungrounded? - CORRECT ANSWER True.
They are very hot caring electrical power
A ground electrode conductor originates at the neutral or equipment
ground bus of the service panel? - CORRECT ANSWER True
Conductor sizes are often expressed in? - CORRECT ANSWER
American Wire Gage (AWG)
What refers to the allowable current-carrying capacity of a conductor? -
CORRECT ANSWER Ampacity
The insulation type determines the areas the writers can and cannot
used? - CORRECT ANSWER True
RHH wires use rubber insulation that is high heat resistant and is good
in? - CORRECT ANSWER Is only good in dry locations.
RHW-2 wires use the rubber insulation but are suitable for wet
locations? - CORRECT ANSWER True
What cables can be used inside wall, ceiling or under the floor. -
CORRECT ANSWER Non-metallic (NM)
, What cables are most appropriate for damp areas? - CORRECT
ANSWER Underground feeder (UF) or Non-metallic Wet underground
(NMWU)
A ground electrode should not be made in contact with the earth? -
CORRECT ANSWER False. sound be on contact with the earth
Compare Watts with Voltage - CORRECT ANSWER Watts are the
measure of power. Voltage is the measure of potential energy.
You should size conductors no less ______ of the continuous loads plus
_________ of the non-continuous loads,. - CORRECT ANSWER
125% / 100%
THWN means? - CORRECT ANSWER Flame retardant, Heat
resistant, Moisture resistant, Gasoline resistant, and oil resistant.
What describes the voltage measured across any one component of a
balanced three-phase system. - CORRECT ANSWER Phase Voltage