ARIZONA CONTRACTOR LICENSE CR-67 EXAM AND
PRACTICE QUESTIONS AND VERIFIED ANSWERS
2026
Question 1
Alternating Current (AC) always flows one way then the other?
Answer: True. AC always flows one way then the other.
Question 2
The frequency of AC is measured in?
Answer: Measured in hertz Hz
Question 3
What refers to a voltage can convey information?
Answer: Electrical Signal
Question 4
What refers to the maximum voltage that can be reached by a signal?
Answer: Amplitude
Question 5
Electricity may flow only when?
Answer: There has to be a path for it to return making a complete
circuit
Question 6
What is the return path for electrical power to flow back to the service
panel?
Answer: Neutral
Question 7
The live wire is always ungrounded?
Answer: True. They are very hot carrying electrical power
Question 8
A ground electrode conductor originates at the neutral or equipment
,ground bus of the service panel?
Answer: True
Question 9
A ground electrode should not be made in contact with the earth?
Answer: False. Should be in contact with the earth
Question 10
Compare Watts with Voltage
Answer: Watts are the measure of power. Voltage is the measure of
potential energy.
Question 11
You should size conductors no less ______ of the continuous loads plus
_________ of the non-continuous loads.
Answer: 125% / 100%
Question 12
Conductor sizes are often expressed in?
Answer: American Wire Gage (AWG)
Question 13
What refers to the allowable current-carrying capacity of a conductor?
Answer: Ampacity
Question 14
The insulation type determines the areas the wires can and cannot be
used?
Answer: True
Question 15
RHH wires use rubber insulation that is high heat resistant and is good
in?
Answer: Is only good in dry locations
Question 16
RHW-2 wires use the rubber insulation but are suitable for wet
, locations?
Answer: True
Question 17
What cables can be used inside wall, ceiling or under the floor?
Answer: Non-metallic (NM)
Question 18
What cables are most appropriate for damp areas?
Answer: Underground feeder (UF) or Non-metallic Wet
underground (NMWU)
Question 19
THWN means?
Answer: Flame retardant, Heat resistant, Moisture resistant,
Gasoline resistant, and oil resistant
Question 20
An insulated grounded conductor which is ____ AWG or below should
be identified by a continuous white or gray outer finish.
Answer: 6 AWG
Question 21
What is the amount of voltage measured between any two line
conductors of a balanced three-phase system?
Answer: Line voltage
Question 22
What describes the voltage measured across any one component of a
balanced three-phase system?
Answer: Phase Voltage
Question 23
A _______ is unintentional mess up.
Answer: Ground Fault
PRACTICE QUESTIONS AND VERIFIED ANSWERS
2026
Question 1
Alternating Current (AC) always flows one way then the other?
Answer: True. AC always flows one way then the other.
Question 2
The frequency of AC is measured in?
Answer: Measured in hertz Hz
Question 3
What refers to a voltage can convey information?
Answer: Electrical Signal
Question 4
What refers to the maximum voltage that can be reached by a signal?
Answer: Amplitude
Question 5
Electricity may flow only when?
Answer: There has to be a path for it to return making a complete
circuit
Question 6
What is the return path for electrical power to flow back to the service
panel?
Answer: Neutral
Question 7
The live wire is always ungrounded?
Answer: True. They are very hot carrying electrical power
Question 8
A ground electrode conductor originates at the neutral or equipment
,ground bus of the service panel?
Answer: True
Question 9
A ground electrode should not be made in contact with the earth?
Answer: False. Should be in contact with the earth
Question 10
Compare Watts with Voltage
Answer: Watts are the measure of power. Voltage is the measure of
potential energy.
Question 11
You should size conductors no less ______ of the continuous loads plus
_________ of the non-continuous loads.
Answer: 125% / 100%
Question 12
Conductor sizes are often expressed in?
Answer: American Wire Gage (AWG)
Question 13
What refers to the allowable current-carrying capacity of a conductor?
Answer: Ampacity
Question 14
The insulation type determines the areas the wires can and cannot be
used?
Answer: True
Question 15
RHH wires use rubber insulation that is high heat resistant and is good
in?
Answer: Is only good in dry locations
Question 16
RHW-2 wires use the rubber insulation but are suitable for wet
, locations?
Answer: True
Question 17
What cables can be used inside wall, ceiling or under the floor?
Answer: Non-metallic (NM)
Question 18
What cables are most appropriate for damp areas?
Answer: Underground feeder (UF) or Non-metallic Wet
underground (NMWU)
Question 19
THWN means?
Answer: Flame retardant, Heat resistant, Moisture resistant,
Gasoline resistant, and oil resistant
Question 20
An insulated grounded conductor which is ____ AWG or below should
be identified by a continuous white or gray outer finish.
Answer: 6 AWG
Question 21
What is the amount of voltage measured between any two line
conductors of a balanced three-phase system?
Answer: Line voltage
Question 22
What describes the voltage measured across any one component of a
balanced three-phase system?
Answer: Phase Voltage
Question 23
A _______ is unintentional mess up.
Answer: Ground Fault
