Conductors that supply a single motor used in a continuous duty application shall have an
ampacity of not less that what percentage of the motor full-load current rating? - AN-
SWER 1.25
EMT shall not be: - ANSWER Threaded
Plug fuses shall be permitted to be used in circuits supplied by a system having grounded
neutral point where the line-to-neutral voltage doe NOT exceed which of the following? -
ANSWER 150 volts
How many amperes does s a 3-hp, 240-volt, 3-phase motor draw if the motor has values of
90% efficiency and 95% power factor? - ANSWER 6.3 amperes
Where metallic plugs or plated used with nonmetallic enclosures, how far shall they be re-
cessed form the outer surface of the enclosure - ANSWER 1/4"
Disregarding exceptions, what is the minimum size copper-clad aluminum underground ser-
vice conductor permitted? - ANSWER 6 AWG
Information technology equipment shall be permitted to be connected to a branch circuit by
a power-supply cord with a maximum length of how many feet? - ANSWER 15'
Unlisted nonconductive outside plant optical fiber cables shall not be permitted to be in-
stalled in which type of raceways? - ANSWER Flexible metal conduit
1
, Which part of a bulk storage plant is classified as Class 2, Zone 2? - ANSWER Drainage
ditches, separators and impounding basins
If installed and routed on the outside of a raceway, the length of the equipment bonding
jumper shall not exceed how many feet? - ANSWER 6'
A circuit breaker does not have an interrupter rating shown on it. What is the interrupter rat-
ing of this circuit breaker? - ANSWER 5,000 amperes
What is the minimum size of the aluminum equipment grounding conductor where the over-
current protection ahead of a branch circuit or feeder is sized at 600 amperes? - ANSWER
36557
The combined cross sectional area of all conductors or cables shall not exceed what percent
of the cross sectional are of the cell or header? - ANSWER 0.4
Power distribution blocks installed in boxes shall be - ANSWER Listed
For permanently connected appliances, the branch-circuit overcurrent device shall be per-
mitted to serve as the disconnecting means for appliances rated at not over - ANSWER
300 volt-amperes or 1/8hp
A metal underground water pipe used as grounding electrode shall be in direct contact with
the earth for a minimum of how many feet? - ANSWER 10'
What is the minimum rating for a standard lampholder that shall be used for circuits and
equipment operating at less than 50 volts? - ANSWER 660 watts
What is the minimum branch-circuit rating for ranges of 8-3/4 kW or more? - ANSWER 40
amperes
2
ampacity of not less that what percentage of the motor full-load current rating? - AN-
SWER 1.25
EMT shall not be: - ANSWER Threaded
Plug fuses shall be permitted to be used in circuits supplied by a system having grounded
neutral point where the line-to-neutral voltage doe NOT exceed which of the following? -
ANSWER 150 volts
How many amperes does s a 3-hp, 240-volt, 3-phase motor draw if the motor has values of
90% efficiency and 95% power factor? - ANSWER 6.3 amperes
Where metallic plugs or plated used with nonmetallic enclosures, how far shall they be re-
cessed form the outer surface of the enclosure - ANSWER 1/4"
Disregarding exceptions, what is the minimum size copper-clad aluminum underground ser-
vice conductor permitted? - ANSWER 6 AWG
Information technology equipment shall be permitted to be connected to a branch circuit by
a power-supply cord with a maximum length of how many feet? - ANSWER 15'
Unlisted nonconductive outside plant optical fiber cables shall not be permitted to be in-
stalled in which type of raceways? - ANSWER Flexible metal conduit
1
, Which part of a bulk storage plant is classified as Class 2, Zone 2? - ANSWER Drainage
ditches, separators and impounding basins
If installed and routed on the outside of a raceway, the length of the equipment bonding
jumper shall not exceed how many feet? - ANSWER 6'
A circuit breaker does not have an interrupter rating shown on it. What is the interrupter rat-
ing of this circuit breaker? - ANSWER 5,000 amperes
What is the minimum size of the aluminum equipment grounding conductor where the over-
current protection ahead of a branch circuit or feeder is sized at 600 amperes? - ANSWER
36557
The combined cross sectional area of all conductors or cables shall not exceed what percent
of the cross sectional are of the cell or header? - ANSWER 0.4
Power distribution blocks installed in boxes shall be - ANSWER Listed
For permanently connected appliances, the branch-circuit overcurrent device shall be per-
mitted to serve as the disconnecting means for appliances rated at not over - ANSWER
300 volt-amperes or 1/8hp
A metal underground water pipe used as grounding electrode shall be in direct contact with
the earth for a minimum of how many feet? - ANSWER 10'
What is the minimum rating for a standard lampholder that shall be used for circuits and
equipment operating at less than 50 volts? - ANSWER 660 watts
What is the minimum branch-circuit rating for ranges of 8-3/4 kW or more? - ANSWER 40
amperes
2
