Arizona Contractor License CR-67
UPDATED Exam ACTUAL QUESTIONS
AND CORRECT ANSWERS
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 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
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
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%
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)
THWN means? - CORRECT ANSWER Flame retardant, Heat resistant, Moisture
resistant, Gasoline resistant, and oil resistant.
An insulated grounded conductor which is ____ AWG or below should be identified by a
continuous white or gray outer finish. - CORRECT ANSWER 6 AWG
, What is the amount of voltage measured between any two line conductors of a balanced
three-phase system. - CORRECT ANSWER Line voltage
What describes the voltage measured across any one component of a balanced three-phase
system. - CORRECT ANSWER Phase Voltage
A _______ is unintentional mess up. - CORRECT ANSWER Ground Fault
An effective Ground-Fault current path is? - CORRECT ANSWER An effective
Ground-Fault current paths a path intentionally constructed to facilitate the operation of the
overcurrent protective devices currently in place.
GFCI is never sensitive to small "leaks" of current - CORRECT ANSWER False.
GFCI = ground-fault circuit interrupter
Grounding and bonding means exactly the same thing? - CORRECT ANSWER False.
Bonding is a means of allowing electrical continuity between metallic objects.
A typical work space (for a working voltage under 600V) should have a minimum headroom
of ______ m. - CORRECT ANSWER 2.0 m
typically there are ____ hot wires running from the utility company into the service panel. -
CORRECT ANSWER 2
A service disconnect need to have a rating which is? - CORRECT ANSWER No less
than that the calculated load or for the type of installation
Fast- blow fuses tend to open real quick when the rated current is reached. - CORRECT
ANSWER True
UPDATED Exam ACTUAL QUESTIONS
AND CORRECT ANSWERS
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 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
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
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%
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)
THWN means? - CORRECT ANSWER Flame retardant, Heat resistant, Moisture
resistant, Gasoline resistant, and oil resistant.
An insulated grounded conductor which is ____ AWG or below should be identified by a
continuous white or gray outer finish. - CORRECT ANSWER 6 AWG
, What is the amount of voltage measured between any two line conductors of a balanced
three-phase system. - CORRECT ANSWER Line voltage
What describes the voltage measured across any one component of a balanced three-phase
system. - CORRECT ANSWER Phase Voltage
A _______ is unintentional mess up. - CORRECT ANSWER Ground Fault
An effective Ground-Fault current path is? - CORRECT ANSWER An effective
Ground-Fault current paths a path intentionally constructed to facilitate the operation of the
overcurrent protective devices currently in place.
GFCI is never sensitive to small "leaks" of current - CORRECT ANSWER False.
GFCI = ground-fault circuit interrupter
Grounding and bonding means exactly the same thing? - CORRECT ANSWER False.
Bonding is a means of allowing electrical continuity between metallic objects.
A typical work space (for a working voltage under 600V) should have a minimum headroom
of ______ m. - CORRECT ANSWER 2.0 m
typically there are ____ hot wires running from the utility company into the service panel. -
CORRECT ANSWER 2
A service disconnect need to have a rating which is? - CORRECT ANSWER No less
than that the calculated load or for the type of installation
Fast- blow fuses tend to open real quick when the rated current is reached. - CORRECT
ANSWER True
