Arizona Contractor License CR-
67 Exam Study Guide –
Practice Questions with
Verified Answers. GRADED A+.
Latest 2026/2027 Update.
Alternating Current (AC) always flows one way then the other? - Answer✔✔-
True. AC always flows one way then the other.
The frequency of AC is measured in? - Answer✔✔-Measured in hertz Hz
What refers to a voltage can convey information? - Answer✔✔-Electrical Signal
What refers to the maximum voltage that can be reached by a signal? -
Answer✔✔-Amplitude
Electricity may flow only when? - 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? -
Answer✔✔-Neutral
,The live wire is always ungrounded? - 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? - Answer✔✔-True
A ground electrode should not be made in contact with the earth? -
Answer✔✔-False. sound be on contact with the earth
Compare Watts with Voltage - 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,. - Answer✔✔-125% / 100%
Conductor sizes are often expressed in? - Answer✔✔-American Wire Gage
(AWG)
What refers to the allowable current-carrying capacity of a conductor? -
Answer✔✔-Ampacity
The insulation type determines the areas the writers can and cannot used? -
Answer✔✔-True
RHH wires use rubber insulation that is high heat resistant and is good in? -
Answer✔✔-Is only good in dry locations.
, RHW-2 wires use the rubber insulation but are suitable for wet locations? -
Answer✔✔-True
What cables can be used inside wall, ceiling or under the floor. - Answer✔✔-
Non-metallic (NM)
What cables are most appropriate for damp areas? - Answer✔✔-Underground
feeder (UF) or Non-metallic Wet underground (NMWU)
THWN means? - 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. - Answer✔✔-6 AWG
What is the amount of voltage measured between any two line conductors of a
balanced three-phase system. - Answer✔✔-Line voltage
What describes the voltage measured across any one component of a balanced
three-phase system. - Answer✔✔-Phase Voltage
A _______ is unintentional mess up. - Answer✔✔-Ground Fault
An effective Ground-Fault current path is? - Answer✔✔-An effective Ground-
Fault current paths a path intentionally constructed to facilitate the operation
of the overcurrent protective devices currently in place.
67 Exam Study Guide –
Practice Questions with
Verified Answers. GRADED A+.
Latest 2026/2027 Update.
Alternating Current (AC) always flows one way then the other? - Answer✔✔-
True. AC always flows one way then the other.
The frequency of AC is measured in? - Answer✔✔-Measured in hertz Hz
What refers to a voltage can convey information? - Answer✔✔-Electrical Signal
What refers to the maximum voltage that can be reached by a signal? -
Answer✔✔-Amplitude
Electricity may flow only when? - 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? -
Answer✔✔-Neutral
,The live wire is always ungrounded? - 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? - Answer✔✔-True
A ground electrode should not be made in contact with the earth? -
Answer✔✔-False. sound be on contact with the earth
Compare Watts with Voltage - 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,. - Answer✔✔-125% / 100%
Conductor sizes are often expressed in? - Answer✔✔-American Wire Gage
(AWG)
What refers to the allowable current-carrying capacity of a conductor? -
Answer✔✔-Ampacity
The insulation type determines the areas the writers can and cannot used? -
Answer✔✔-True
RHH wires use rubber insulation that is high heat resistant and is good in? -
Answer✔✔-Is only good in dry locations.
, RHW-2 wires use the rubber insulation but are suitable for wet locations? -
Answer✔✔-True
What cables can be used inside wall, ceiling or under the floor. - Answer✔✔-
Non-metallic (NM)
What cables are most appropriate for damp areas? - Answer✔✔-Underground
feeder (UF) or Non-metallic Wet underground (NMWU)
THWN means? - 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. - Answer✔✔-6 AWG
What is the amount of voltage measured between any two line conductors of a
balanced three-phase system. - Answer✔✔-Line voltage
What describes the voltage measured across any one component of a balanced
three-phase system. - Answer✔✔-Phase Voltage
A _______ is unintentional mess up. - Answer✔✔-Ground Fault
An effective Ground-Fault current path is? - Answer✔✔-An effective Ground-
Fault current paths a path intentionally constructed to facilitate the operation
of the overcurrent protective devices currently in place.
