Arizona Contractor License CR-67 Exam Questions with
Correct Verified Answers | Latest Update 2026/2027 |
Graded A+ | 100% Assured Pass.
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
System grounding is required when you have a supply transformer of a SOV or lower
system? --- correct 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
On a class 1 circuit it is ok to use smaller wire sizes than normal power circuits such as. --
- correct answer ---Anything 16 AWG or lower
Class 1 signaling and remote control circuits are limited too? --- correct answer ---600
Volts
,When a circuit controls equipment can introduce a direct life safety hazard, the circuit
has to be? --- correct answer ---Class 1
Class 2 circuit must be kept separate from lighting? --- correct answer ---True
Generally, cables that are installed in ducts for environment air should be of what type? -
-- correct answer ---CL2P or CL3P
The pulling tension in pounds for a copper wire should not exceed how many times the
circular mil area of a conductor? --- correct answer ---.008 mil
The breaking capacity specifies. --- correct answer ---maximum current the fuse can
handle
_____ occurs when there are two points in the circuit accidentally coming in contact. ---
correct answer ---Short circuit
Circuits of 30A may be used to serve fixed lighting units with heavyduty Iampholders in
non-dwellings units. --- correct answer ---True
, Circuits of 40A may be used to serve fixed lighting with heavy-duty
Iampholders in fixed cooking appliances. --- correct answer ---True
Cables installed in building locations other than in plenums for environmental air may
be? --- correct answer ---CL2 or CL3
Voltage drop can be calculated based on? --- correct answer ---Voltage drop = (2) x (the
circuit length in ft) x (resistance per 1 ft) x (current)
Class 2 circuits. --- correct answer ---Class 2 circuits may not be derived from a large
transformer by using fuses.
You need to have at least how many wall switch- controlled lighting outlets installed in
every habitable room? --- correct answer ---Need at least 1
A lighting system that has an isolating power supply operating at no more than _____
volts peak under any load condition is considered as low voltage --- correct answer ---30
Volts
FPL cables may be used for general purpose alarms without conduit. Exception include. -
-- correct answer ---Riser, Duct, and plenum applications
Correct Verified Answers | Latest Update 2026/2027 |
Graded A+ | 100% Assured Pass.
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
System grounding is required when you have a supply transformer of a SOV or lower
system? --- correct 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
On a class 1 circuit it is ok to use smaller wire sizes than normal power circuits such as. --
- correct answer ---Anything 16 AWG or lower
Class 1 signaling and remote control circuits are limited too? --- correct answer ---600
Volts
,When a circuit controls equipment can introduce a direct life safety hazard, the circuit
has to be? --- correct answer ---Class 1
Class 2 circuit must be kept separate from lighting? --- correct answer ---True
Generally, cables that are installed in ducts for environment air should be of what type? -
-- correct answer ---CL2P or CL3P
The pulling tension in pounds for a copper wire should not exceed how many times the
circular mil area of a conductor? --- correct answer ---.008 mil
The breaking capacity specifies. --- correct answer ---maximum current the fuse can
handle
_____ occurs when there are two points in the circuit accidentally coming in contact. ---
correct answer ---Short circuit
Circuits of 30A may be used to serve fixed lighting units with heavyduty Iampholders in
non-dwellings units. --- correct answer ---True
, Circuits of 40A may be used to serve fixed lighting with heavy-duty
Iampholders in fixed cooking appliances. --- correct answer ---True
Cables installed in building locations other than in plenums for environmental air may
be? --- correct answer ---CL2 or CL3
Voltage drop can be calculated based on? --- correct answer ---Voltage drop = (2) x (the
circuit length in ft) x (resistance per 1 ft) x (current)
Class 2 circuits. --- correct answer ---Class 2 circuits may not be derived from a large
transformer by using fuses.
You need to have at least how many wall switch- controlled lighting outlets installed in
every habitable room? --- correct answer ---Need at least 1
A lighting system that has an isolating power supply operating at no more than _____
volts peak under any load condition is considered as low voltage --- correct answer ---30
Volts
FPL cables may be used for general purpose alarms without conduit. Exception include. -
-- correct answer ---Riser, Duct, and plenum applications
