Arizona Contractor License CR-67 Actual
Exam Study Questions with Correct
Answers | Guarantee Pass
1. Alternating Current (AC) always flows one way then the other? - ANSWER
True. AC always flows one way then the other.
2. The frequency of AC is measured in? - ANSWER Measured in hertz Hz
3. What refers to a voltage can convey information? - ANSWER Electrical
Signal
4. What refers to the maximum voltage that can be reached by a signal? -
ANSWER Amplitude
5. What is the amount of voltage measured between any two line conductors of
a balanced three-phase system. - ANSWER Line voltage
6. What describes the voltage measured across any one component of a
balanced three-phase system. - ANSWER Phase Voltage
7. A _______ is unintentional mess up. - ANSWER Ground Fault
8. 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.
,9. GFCI is never sensitive to small "leaks" of current - ANSWER False. GFCI
= ground-fault circuit interrupter
10.Grounding and bonding means exactly the same thing? - ANSWER False.
Bonding is a means of allowing electrical continuity between metallic
objects.
11.A typical work space (for a working voltage under 600V) should have a
minimum headroom of ______ m. - ANSWER 2.0 m
12.typically there are ____ hot wires running from the utility company into the
service panel. - ANSWER 2
13.A service disconnect need to have a rating which is? - ANSWER No less
than that the calculated load or for the type of installation
14.Fast- blow fuses tend to open real quick when the rated current is reached. -
ANSWER True
15.System grounding is required when you have a supply transformer of a SOV
or lower system? - ANSWER System grounding is required when you have
a supply transformer of a 50V or lower system which itself is supplied from
a source over 150V to the ground
16.On a class 1 circuit it is ok to use smaller wire sizes than normal power
circuits such as. - ANSWER Anything 16 AWG or lower
17.Class 1 signaling and remote control circuits are limited too? - ANSWER
600 Volts
,18.When a circuit controls equipment can introduce a direct life safety hazard,
the circuit has to be? - ANSWER Class 1
19.Class 2 circuit must be kept separate from lighting? - ANSWER True
20.Electricity may flow only when? - ANSWER There has to be a for it to
return making a complete circuit
21.What is the return path for electrical power to flow back to the service
panel? - ANSWER Neutral
22.The live wire is always ungrounded? - ANSWER True. They are very hot
caring electrical power
23.A ground electrode conductor originates at the neutral or equipment ground
bus of the service panel? - ANSWER True
24.A ground electrode should not be made in contact with the earth? -
ANSWER False. sound be on contact with the earth
25.Compare Watts with Voltage - ANSWER Watts are the measure of power.
Voltage is the measure of potential energy.
26.You should size conductors no less ______ of the continuous loads plus
_________ of the non-continuous loads,. - ANSWER 125% / 100%
, 27.Conductor sizes are often expressed in? - ANSWER American Wire Gage
(AWG)
28.What refers to the allowable current-carrying capacity of a conductor? -
ANSWER Ampacity
29.The insulation type determines the areas the writers can and cannot used? -
ANSWER True
30.RHH wires use rubber insulation that is high heat resistant and is good in? -
ANSWER Is only good in dry locations.
31.RHW-2 wires use the rubber insulation but are suitable for wet locations? -
ANSWER True
32.What cables can be used inside wall, ceiling or under the floor. - ANSWER
Non-metallic (NM)
33.What cables are most appropriate for damp areas? - ANSWER
Underground feeder (UF) or Non-metallic Wet underground (NMWU)
34.THWN means? - ANSWER Flame retardant, Heat resistant, Moisture
resistant, Gasoline resistant, and oil resistant.
35.An insulated grounded conductor which is ____ AWG or below should be
identified by a continuous white or gray outer finish. - ANSWER 6 AWG
36.Generally, cables that are installed in ducts for environment air should be of
what type? - ANSWER CL2P or CL3P
Exam Study Questions with Correct
Answers | Guarantee Pass
1. Alternating Current (AC) always flows one way then the other? - ANSWER
True. AC always flows one way then the other.
2. The frequency of AC is measured in? - ANSWER Measured in hertz Hz
3. What refers to a voltage can convey information? - ANSWER Electrical
Signal
4. What refers to the maximum voltage that can be reached by a signal? -
ANSWER Amplitude
5. What is the amount of voltage measured between any two line conductors of
a balanced three-phase system. - ANSWER Line voltage
6. What describes the voltage measured across any one component of a
balanced three-phase system. - ANSWER Phase Voltage
7. A _______ is unintentional mess up. - ANSWER Ground Fault
8. 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.
,9. GFCI is never sensitive to small "leaks" of current - ANSWER False. GFCI
= ground-fault circuit interrupter
10.Grounding and bonding means exactly the same thing? - ANSWER False.
Bonding is a means of allowing electrical continuity between metallic
objects.
11.A typical work space (for a working voltage under 600V) should have a
minimum headroom of ______ m. - ANSWER 2.0 m
12.typically there are ____ hot wires running from the utility company into the
service panel. - ANSWER 2
13.A service disconnect need to have a rating which is? - ANSWER No less
than that the calculated load or for the type of installation
14.Fast- blow fuses tend to open real quick when the rated current is reached. -
ANSWER True
15.System grounding is required when you have a supply transformer of a SOV
or lower system? - ANSWER System grounding is required when you have
a supply transformer of a 50V or lower system which itself is supplied from
a source over 150V to the ground
16.On a class 1 circuit it is ok to use smaller wire sizes than normal power
circuits such as. - ANSWER Anything 16 AWG or lower
17.Class 1 signaling and remote control circuits are limited too? - ANSWER
600 Volts
,18.When a circuit controls equipment can introduce a direct life safety hazard,
the circuit has to be? - ANSWER Class 1
19.Class 2 circuit must be kept separate from lighting? - ANSWER True
20.Electricity may flow only when? - ANSWER There has to be a for it to
return making a complete circuit
21.What is the return path for electrical power to flow back to the service
panel? - ANSWER Neutral
22.The live wire is always ungrounded? - ANSWER True. They are very hot
caring electrical power
23.A ground electrode conductor originates at the neutral or equipment ground
bus of the service panel? - ANSWER True
24.A ground electrode should not be made in contact with the earth? -
ANSWER False. sound be on contact with the earth
25.Compare Watts with Voltage - ANSWER Watts are the measure of power.
Voltage is the measure of potential energy.
26.You should size conductors no less ______ of the continuous loads plus
_________ of the non-continuous loads,. - ANSWER 125% / 100%
, 27.Conductor sizes are often expressed in? - ANSWER American Wire Gage
(AWG)
28.What refers to the allowable current-carrying capacity of a conductor? -
ANSWER Ampacity
29.The insulation type determines the areas the writers can and cannot used? -
ANSWER True
30.RHH wires use rubber insulation that is high heat resistant and is good in? -
ANSWER Is only good in dry locations.
31.RHW-2 wires use the rubber insulation but are suitable for wet locations? -
ANSWER True
32.What cables can be used inside wall, ceiling or under the floor. - ANSWER
Non-metallic (NM)
33.What cables are most appropriate for damp areas? - ANSWER
Underground feeder (UF) or Non-metallic Wet underground (NMWU)
34.THWN means? - ANSWER Flame retardant, Heat resistant, Moisture
resistant, Gasoline resistant, and oil resistant.
35.An insulated grounded conductor which is ____ AWG or below should be
identified by a continuous white or gray outer finish. - ANSWER 6 AWG
36.Generally, cables that are installed in ducts for environment air should be of
what type? - ANSWER CL2P or CL3P
