Journeyman Electrician
A 208-volt, three-phase, 50 hp, squirrel-cage, continuous-duty, ac motor has a full-load
running contemporary rating of _____? - ANS-143 amperes
A 30 hp, 480-volt, 3-segment wound-rotor, ac motor has a complete-load going for walks
contemporary rating of _____. - ANS-forty amperes
A department circuit furnished through size 12 AWG conductors is a _____ rated department
circuit whilst covered through a 15-ampere circuit breaker? - ANS-15 ampere
A disconnecting method will be furnished at the supply aspect of all fuses in circuits having a
voltage of at LEAST _____ to ground. - ANS-one hundred fifty volts
A indexed _____ will be installed in or on all emergency systems switchboards and
panelboards? - ANS-surge shielding device (SPD)
A single-gang, 1 in. Deep, Type FS field is allowed to residence no greater than _____ size
12 AWG conductors. - ANS-six
A single-segment, a hundred twenty five-volt receptacle hooked up to serve a bathing
system within the laundry room of a living unit ought to be established within at LEAST
______ of the supposed place of the equipment? - ANS-6 feet
A single-phase, 240-volt, 15 kVA standby generator can be loaded to a MAXIMUM of _____
consistent with line. - ANS-sixty two.50 amperes
According to the National Electrical Code®, what are the three (three) mandatory separate
branches of the health center important electric device? - ANS-The life safety department,
the essential department and the gadget branch.
According to the NEC® which of the following statements is authentic approximately putting
in listed or categorized device? - ANS-The device will be hooked up in accordance with the
instructions.
All a hundred twenty five-volt, unmarried-segment, 15- or 20-ampere receptacle outlets set
up within at LEAST _____ of the out of doors fringe of a residing unit bathtub or bathe stall
require GFCI protection. - ANS-6 toes
All vehicles will be taken into consideration as _____ until the nature of the equipment it
drives is such that the motor will now not perform constantly. - ANS-non-stop duty
At the time of set up, grounded (neutral) conductors larger than length 6 AWG may be
identified at its terminations by using _____ coloured section tape. - ANS-white
, Before call for factors are taken into consideration for commercial buildings, general-reason
receptacle loads are to be computed at NOT much less than _____ consistent with outlet. -
ANS-180 VA
Branch-circuit conductors offering a set garage-kind electric powered water heater with a
capability of a hundred and twenty gallons or much less, shall have an ampacity of NOT less
than _____ of the whole-load current of the water heater. - ANS-125 percentage
Branch-circuit conductors offering more than one motor shall have an ampacity of at
LEAST_____ of the full-load modern rating of the best rated motor inside the organization,
and one hundred percentage of the full-load cutting-edge rating of the opposite motor(s)
inside the organization. - ANS-a hundred twenty five percentage
Class _____ dangerous locations are those wherein flammable liquid-produced vapors, or
flamable liquid-produced vapors are or may be present inside the air in quantities enough to
provide explosive or ignitible mixtures? - ANS-I
Class _____ places are the ones which might be risky because of the presence of without
difficulty ignitible fibers or wherein substances producing flamable flyings are treated, but
wherein such fibers/flyings are not probable to be in suspension within the air in portions
enough to produce ignitible combos. - ANS-III
Class three single conductors shall NOT be smaller than _____. - ANS-18 AWG
Conductors with ______ insulation have a more ampacity whilst utilized in a dry region in
comparison to whilst utilized in a moist place. - ANS-THHW
Conduit nipples now not over 24 inches in period can be stuffed to a MAXIMUM of _____ of
their cross-sectional area. - ANS-60 percentage
Determine the conductor ampacity given the following associated information:
1.Conductors are length 500 kcmil copper -conductor insulation is THWN -eight (eight)
cutting-edge-carrying conductors are in the raceway -ambient temperature is a hundred
twenty five deg. F
2.Conduit period is 50 ft
3.Installation is a moist area - ANS-178.2 amperes
Determine the MAXIMUM allowable current-carrying capacity of 4 (four) size 1/zero AWG
THW copper current-sporting conductors installed in a not unusual raceway with an ambient
temperature of 86 stages F? - ANS-120 amperes
Determine the MAXIMUM range of length 1 AWG XHHW compact conductors accredited in
a change size 3 in., rigid Schedule forty PVC conduit greater than 24 inches lengthy. -
ANS-21
A 208-volt, three-phase, 50 hp, squirrel-cage, continuous-duty, ac motor has a full-load
running contemporary rating of _____? - ANS-143 amperes
A 30 hp, 480-volt, 3-segment wound-rotor, ac motor has a complete-load going for walks
contemporary rating of _____. - ANS-forty amperes
A department circuit furnished through size 12 AWG conductors is a _____ rated department
circuit whilst covered through a 15-ampere circuit breaker? - ANS-15 ampere
A disconnecting method will be furnished at the supply aspect of all fuses in circuits having a
voltage of at LEAST _____ to ground. - ANS-one hundred fifty volts
A indexed _____ will be installed in or on all emergency systems switchboards and
panelboards? - ANS-surge shielding device (SPD)
A single-gang, 1 in. Deep, Type FS field is allowed to residence no greater than _____ size
12 AWG conductors. - ANS-six
A single-segment, a hundred twenty five-volt receptacle hooked up to serve a bathing
system within the laundry room of a living unit ought to be established within at LEAST
______ of the supposed place of the equipment? - ANS-6 feet
A single-phase, 240-volt, 15 kVA standby generator can be loaded to a MAXIMUM of _____
consistent with line. - ANS-sixty two.50 amperes
According to the National Electrical Code®, what are the three (three) mandatory separate
branches of the health center important electric device? - ANS-The life safety department,
the essential department and the gadget branch.
According to the NEC® which of the following statements is authentic approximately putting
in listed or categorized device? - ANS-The device will be hooked up in accordance with the
instructions.
All a hundred twenty five-volt, unmarried-segment, 15- or 20-ampere receptacle outlets set
up within at LEAST _____ of the out of doors fringe of a residing unit bathtub or bathe stall
require GFCI protection. - ANS-6 toes
All vehicles will be taken into consideration as _____ until the nature of the equipment it
drives is such that the motor will now not perform constantly. - ANS-non-stop duty
At the time of set up, grounded (neutral) conductors larger than length 6 AWG may be
identified at its terminations by using _____ coloured section tape. - ANS-white
, Before call for factors are taken into consideration for commercial buildings, general-reason
receptacle loads are to be computed at NOT much less than _____ consistent with outlet. -
ANS-180 VA
Branch-circuit conductors offering a set garage-kind electric powered water heater with a
capability of a hundred and twenty gallons or much less, shall have an ampacity of NOT less
than _____ of the whole-load current of the water heater. - ANS-125 percentage
Branch-circuit conductors offering more than one motor shall have an ampacity of at
LEAST_____ of the full-load modern rating of the best rated motor inside the organization,
and one hundred percentage of the full-load cutting-edge rating of the opposite motor(s)
inside the organization. - ANS-a hundred twenty five percentage
Class _____ dangerous locations are those wherein flammable liquid-produced vapors, or
flamable liquid-produced vapors are or may be present inside the air in quantities enough to
provide explosive or ignitible mixtures? - ANS-I
Class _____ places are the ones which might be risky because of the presence of without
difficulty ignitible fibers or wherein substances producing flamable flyings are treated, but
wherein such fibers/flyings are not probable to be in suspension within the air in portions
enough to produce ignitible combos. - ANS-III
Class three single conductors shall NOT be smaller than _____. - ANS-18 AWG
Conductors with ______ insulation have a more ampacity whilst utilized in a dry region in
comparison to whilst utilized in a moist place. - ANS-THHW
Conduit nipples now not over 24 inches in period can be stuffed to a MAXIMUM of _____ of
their cross-sectional area. - ANS-60 percentage
Determine the conductor ampacity given the following associated information:
1.Conductors are length 500 kcmil copper -conductor insulation is THWN -eight (eight)
cutting-edge-carrying conductors are in the raceway -ambient temperature is a hundred
twenty five deg. F
2.Conduit period is 50 ft
3.Installation is a moist area - ANS-178.2 amperes
Determine the MAXIMUM allowable current-carrying capacity of 4 (four) size 1/zero AWG
THW copper current-sporting conductors installed in a not unusual raceway with an ambient
temperature of 86 stages F? - ANS-120 amperes
Determine the MAXIMUM range of length 1 AWG XHHW compact conductors accredited in
a change size 3 in., rigid Schedule forty PVC conduit greater than 24 inches lengthy. -
ANS-21
