There are six conductors in a raceway connected to 75° rated breakers. Each wire has a 70-amp load using
THHN conductors. The minimum size conductor used are #__________ AWG.
a. 4
b. 6
c. 8
d. 10 - ANSWERa
Thermal insulation shall not be installed within __________ inch(es) of recessed fix...
Journeyman practice test 100%
Correct!!
There are six conductors in a raceway connected to 75° rated breakers. Each wire has a 70-amp load
using
THHN conductors. The minimum size conductor used are #__________ AWG.
a. 4
b. 6
c. 8
d. 10 - ANSWERa
Thermal insulation shall not be installed within __________ inch(es) of recessed fixtures.
a. 1⁄2
b. 3⁄4
c. 2
d. 3 - ANSWERd
A 1-inch conduit contains three 3-wire circuits. All conductors are #10 TW. Each circuit consist of two
phase conductors, one grounded conductor, and one equipment grounding conductor. The maximum
ampacity of each phase conductor is__________ amps.
a. 24
b. 28
c. 30
d. 35 - ANSWERa
The volt/ampere rating of a device that consumes 14.5 amps on a 230-volt circuit is __________
watts.
a. 3335
b. 244.5
c. 15.85
, d. 14.5 - ANSWERa
A 208v, 3 phase heater draws 3,598 watts. How many amperes does it draw?
a. 10
b. 12
c. 14
d. 16 - ANSWERa
A 15 or 20-amp receptacle shall be located within _________ feet of a roof top air conditioner.
a. 25
b. 35
c. 75
d. 100 - ANSWERa
The maximum overcurrent protection for eight current carrying #12 THHN conductors in a 1⁄2" conduit
is
_________ amps.
a. 10
b. 15
c. 20
d. 25 - ANSWERc
An AC system of 50 to 1,000 volts shall be grounded if maximum voltage to ground does not exceed
_______
volts.
a. 50
b. 100
c. 150
d. 200 - ANSWERc
There is a 10 Hp, 230 volt, 3 phase motor, code letter G. The maximum standard rating inverse time
circuit
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