Arizona Contractor License CR-67 Q
Arizona Contractor License CR-67
Study online at https://quizlet.com/_ec2rmr
1. Alternating Current (AC) always flows one way then True. AC always flows one way
the other? then the other.
2. The frequency of AC is measured in? Measured in hertz Hz
3. What refers to a voltage can convey information? Electrical Signal
4. What refers to the maximum voltage that can be Amplitude
reached by a signal?
5. Electricity may flow only when? There has to be a for it to return
making a complete circuit
6. What is the return path for electrical power to flow Neutral
back to the service panel?
7. The live wire is always ungrounded? True. They are very hot caring
electrical power
8. A ground electrode conductor originates at the True
neutral or equipment ground bus of the service
panel?
9. A ground electrode should not be made in contact False. sound be on contact
with the earth? with the earth
10. Compare Watts with Voltage Watts are the measure of pow-
er. Voltage is the measure of
potential energy.
11. You should size conductors no less ______ of the 125% / 100%
continuous loads plus _________ of the non-continu-
ous loads,.
, Arizona Contractor License CR-67 Q
Arizona Contractor License CR-67
Study online at https://quizlet.com/_ec2rmr
12. Conductor sizes are often expressed in? American Wire Gage (AWG)
13. What refers to the allowable current-carrying ca- Ampacity
pacity of a conductor?
14. The insulation type determines the areas the writ- True
ers can and cannot used?
15. RHH wires use rubber insulation that is high heat Is only good in dry locations.
resistant and is good in?
16. RHW-2 wires use the rubber insulation but are suit- True
able for wet locations?
17. What cables can be used inside wall, ceiling or un- Non-metallic (NM)
der the floor.
18. What cables are most appropriate for damp areas? Underground feeder (UF)
or Non-metallic Wet under-
ground (NMWU)
19. THWN means? Flame retardant, Heat resis-
tant, Moisture resistant, Gaso-
line resistant, and oil resistant.
20. An insulated grounded conductor which is ____ 6 AWG
AWG or below should be identified by a continuous
white or gray outer finish.
21. What is the amount of voltage measured between Line voltage
any two line conductors of a balanced three-phase
system.
22. Phase Voltage
, Arizona Contractor License CR-67 Q
Arizona Contractor License CR-67
Study online at https://quizlet.com/_ec2rmr
What describes the voltage measured across any
one component of a balanced three-phase system.
23. A _______ is unintentional mess up. Ground Fault
24. An effective Ground-Fault current path is? An effective Ground-Fault cur-
rent paths a path intentional-
ly constructed to facilitate the
operation of the overcurrent
protective devices currently in
place.
25. GFCI is never sensitive to small "leaks" of current False. GFCI = ground-fault cir-
cuit interrupter
26. Grounding and bonding means exactly the same False. Bonding is a means
thing? of allowing electrical continuity
between metallic objects.
27. A typical work space (for a working voltage under 2.0 m
600V) should have a minimum headroom of ______
m.
28. typically there are ____ hot wires running from the 2
utility company into the service panel.
29. A service disconnect need to have a rating which is? No less than that the calculated
load or for the type of installa-
tion
30. Fast- blow fuses tend to open real quick when the True
rated current is reached.
31.
Arizona Contractor License CR-67
Study online at https://quizlet.com/_ec2rmr
1. Alternating Current (AC) always flows one way then True. AC always flows one way
the other? then the other.
2. The frequency of AC is measured in? Measured in hertz Hz
3. What refers to a voltage can convey information? Electrical Signal
4. What refers to the maximum voltage that can be Amplitude
reached by a signal?
5. Electricity may flow only when? There has to be a for it to return
making a complete circuit
6. What is the return path for electrical power to flow Neutral
back to the service panel?
7. The live wire is always ungrounded? True. They are very hot caring
electrical power
8. A ground electrode conductor originates at the True
neutral or equipment ground bus of the service
panel?
9. A ground electrode should not be made in contact False. sound be on contact
with the earth? with the earth
10. Compare Watts with Voltage Watts are the measure of pow-
er. Voltage is the measure of
potential energy.
11. You should size conductors no less ______ of the 125% / 100%
continuous loads plus _________ of the non-continu-
ous loads,.
, Arizona Contractor License CR-67 Q
Arizona Contractor License CR-67
Study online at https://quizlet.com/_ec2rmr
12. Conductor sizes are often expressed in? American Wire Gage (AWG)
13. What refers to the allowable current-carrying ca- Ampacity
pacity of a conductor?
14. The insulation type determines the areas the writ- True
ers can and cannot used?
15. RHH wires use rubber insulation that is high heat Is only good in dry locations.
resistant and is good in?
16. RHW-2 wires use the rubber insulation but are suit- True
able for wet locations?
17. What cables can be used inside wall, ceiling or un- Non-metallic (NM)
der the floor.
18. What cables are most appropriate for damp areas? Underground feeder (UF)
or Non-metallic Wet under-
ground (NMWU)
19. THWN means? Flame retardant, Heat resis-
tant, Moisture resistant, Gaso-
line resistant, and oil resistant.
20. An insulated grounded conductor which is ____ 6 AWG
AWG or below should be identified by a continuous
white or gray outer finish.
21. What is the amount of voltage measured between Line voltage
any two line conductors of a balanced three-phase
system.
22. Phase Voltage
, Arizona Contractor License CR-67 Q
Arizona Contractor License CR-67
Study online at https://quizlet.com/_ec2rmr
What describes the voltage measured across any
one component of a balanced three-phase system.
23. A _______ is unintentional mess up. Ground Fault
24. An effective Ground-Fault current path is? An effective Ground-Fault cur-
rent paths a path intentional-
ly constructed to facilitate the
operation of the overcurrent
protective devices currently in
place.
25. GFCI is never sensitive to small "leaks" of current False. GFCI = ground-fault cir-
cuit interrupter
26. Grounding and bonding means exactly the same False. Bonding is a means
thing? of allowing electrical continuity
between metallic objects.
27. A typical work space (for a working voltage under 2.0 m
600V) should have a minimum headroom of ______
m.
28. typically there are ____ hot wires running from the 2
utility company into the service panel.
29. A service disconnect need to have a rating which is? No less than that the calculated
load or for the type of installa-
tion
30. Fast- blow fuses tend to open real quick when the True
rated current is reached.
31.
