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FIXED OUTDOOR ELECTIC DEICING and snow -
melting equipment shall be considered as a
____________ load. - 100 correct answer as-
Continuous
article 426.4
The disconnect for heating and air conditioning shall
be installed a maximum of ___________ feet from
the equipment. - 100 correct answer as-50
article 100 (within sight)
Given: A motor - control circuit is tapped from the
load side of the motor short - circuit protective
device. The control circuit conductor are 14 AWG
THWN copper . The conductors require only short -
circuit protection and do not extend beyond the
motor - control equipment enclosure.
,The maximum overcurrent protection permitted for
this motor - control conduit is ____________
amperes. - 100 correct answer as-100
table 430.72 (B)
Given: The CONTROLLER is not a molded case
switch or a inverse - time circuit.
The motor controlled for a 120 - hp motor must be
RATED at not less than _____________ hp. - 100
correct answer as-120
430.83 (A) (1)
Given: An inverse - time circuit breaker is used to
protect a hermetic motor - compressor from
overload.
The inverse - time circuit breaker shall be rated at a
maximum of __________ percent of rated load
current. - 100 correct answer as-115
article 440.12 (A) (1)
Disregarding any exceptions, the MAXIMUM
PERMITTED OPERATIONAL SETTING OF AN
, ADJUSTABLE INVERSE - TIME breaker
PROTECTING A 10hp, 208 - VOLT, 3 PHASE
SQUIRREL CAGE MOTOR BRANCH CIRCUIT
IS______________ amperes. - 100 correct
answer as-77.0
article (430.250) X (430.52)
Given: THREE MOTORS with FULL - LOAD ampere
rating of 10 amperes, 20 amperes, and 30 amperes
are fed by one feeder.
The motor - feeder conductors must have an
ampacity of at least ___________ amperes. - 100
correct answer as-67.5
article 430.24
When the design and operation of the GENERATOR
will prevent overloading, the conductors shall not be
less than: - 100 correct answer as-100%
article 445.13 (exceptions)
The maximum overload - protection device rating,
responsive to motor current permitted by the NEC
for a 25-hp, 208- volt, 3 phase induction - type