Arizona Contractor License CR-67 Exam
Questions With Complete Solutions | Latest
Update 2025 | Sure To Pass!!
1. Underground Feeder (UF) Cables or Non-Metallic Wet Underground
(NMWU) - ANSWER ✓ Most appropriate for damp areas.
2. THWN - ANSWER ✓ Flame retardant, Heat resistant, Moisture
resistant, Gasoline resistant, and oil resistant.
3. 6 AWG - ANSWER ✓ An insulated grounded conductor which is __
AWG or below should be identified by a continuous white or gray
outer finish.
4. Line Voltage - ANSWER ✓ The amount of voltage measured between
any two line conductors of a balanced three-phase system. (Phase to
Phase)
5. Phase Voltage - ANSWER ✓ Describes the voltage measured across
any one component of a balanced three-phase system.
6. Ground Fault - ANSWER ✓ An unintentional mess up. (When a
conductor is shorted to ground)
,7. An effective Ground-Fault current path is a path intentionally
constructed to facilitate the operation of the overcurrent protective
devices currently in place. - ANSWER ✓ An effective Ground-Fault
current path is?
8. False, GFCI= Ground Fault Current Interrupter - ANSWER ✓ GFCI
is never sensitive to small "leaks" of current
9. False, bonding is a means of allowing electrical continuity between
metallic objects. - ANSWER ✓ Grounding and bonding mean the
same thing?
10. 2.0 m - ANSWER ✓ A typical workspace (for a working voltage
under 600V) should have a minimum headroom of ___ m.
11. 2 - ANSWER ✓ Typically, there are ___ hot wires running from
the utility company into the service panel.
12. No less than that the calculated load or for the type of installation -
ANSWER ✓ A service disconnect needs to have a rating which is?
13. True - ANSWER ✓ Fast-blow fuses tend to open quick when the
rated current is reached.
, 14. 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 - ANSWER ✓ System grounding is required
when you have a supply transformer of a SOV or lower system?
15. Anything 16 AWG or lower - ANSWER ✓ On a class 1 circuit it is
ok to use smaller wire sizes than normal power circuits such as
16. 600 Volts - ANSWER ✓ Class 1 signaling ad remote control
circuits are limited to?
17. Class 1 - ANSWER ✓ When a circuit controls equipment can
introduce a direct life safety hazard, the circuit has to be Class ___.
18. True - ANSWER ✓ Class 2 circuit must be kept separate from
lighting?
19. CL2P or CL3P - ANSWER ✓ Cables that are installed in ducts for
environmental air should be of type?
20. CL2 or Cl3 - ANSWER ✓ Cables installed in building locations
other than in plenums for environmental air may be ____ or ____.
Questions With Complete Solutions | Latest
Update 2025 | Sure To Pass!!
1. Underground Feeder (UF) Cables or Non-Metallic Wet Underground
(NMWU) - ANSWER ✓ Most appropriate for damp areas.
2. THWN - ANSWER ✓ Flame retardant, Heat resistant, Moisture
resistant, Gasoline resistant, and oil resistant.
3. 6 AWG - ANSWER ✓ An insulated grounded conductor which is __
AWG or below should be identified by a continuous white or gray
outer finish.
4. Line Voltage - ANSWER ✓ The amount of voltage measured between
any two line conductors of a balanced three-phase system. (Phase to
Phase)
5. Phase Voltage - ANSWER ✓ Describes the voltage measured across
any one component of a balanced three-phase system.
6. Ground Fault - ANSWER ✓ An unintentional mess up. (When a
conductor is shorted to ground)
,7. An effective Ground-Fault current path is a path intentionally
constructed to facilitate the operation of the overcurrent protective
devices currently in place. - ANSWER ✓ An effective Ground-Fault
current path is?
8. False, GFCI= Ground Fault Current Interrupter - ANSWER ✓ GFCI
is never sensitive to small "leaks" of current
9. False, bonding is a means of allowing electrical continuity between
metallic objects. - ANSWER ✓ Grounding and bonding mean the
same thing?
10. 2.0 m - ANSWER ✓ A typical workspace (for a working voltage
under 600V) should have a minimum headroom of ___ m.
11. 2 - ANSWER ✓ Typically, there are ___ hot wires running from
the utility company into the service panel.
12. No less than that the calculated load or for the type of installation -
ANSWER ✓ A service disconnect needs to have a rating which is?
13. True - ANSWER ✓ Fast-blow fuses tend to open quick when the
rated current is reached.
, 14. 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 - ANSWER ✓ System grounding is required
when you have a supply transformer of a SOV or lower system?
15. Anything 16 AWG or lower - ANSWER ✓ On a class 1 circuit it is
ok to use smaller wire sizes than normal power circuits such as
16. 600 Volts - ANSWER ✓ Class 1 signaling ad remote control
circuits are limited to?
17. Class 1 - ANSWER ✓ When a circuit controls equipment can
introduce a direct life safety hazard, the circuit has to be Class ___.
18. True - ANSWER ✓ Class 2 circuit must be kept separate from
lighting?
19. CL2P or CL3P - ANSWER ✓ Cables that are installed in ducts for
environmental air should be of type?
20. CL2 or Cl3 - ANSWER ✓ Cables installed in building locations
other than in plenums for environmental air may be ____ or ____.
