Journeyman practice test with Complete
Solutions
Where a conduit is used for physical protection for a cable, _________ is required.
a. A conduit body
b. A fitting at the end of the conduit
c. A box to change from conduit to cable
d. A staple to protect the cable from abrasion CORRECT ANS-b
The size of the main bonding jumper for on 800 kcmil aluminum conductor, per phase, with an
aluminum
main bonding jumper is ________.
a. 3/0
b. 4/0
c. 250 kcmil
d. 500 kcmil CORRECT ANS-a
What is the minimum size wire for a feeder to a mobile home, rated at 100 amps?
a. 1 AWG
b. 2 AWG
c. 3AWG
d. 4 AWG CORRECT ANS-d
A box contains two 12/3 NM cables with ground, one device, and one internal cable clamp.
What is the
required cubic inch capacity?
a. 18
b. 20
,c. 22.5
d. 25 CORRECT ANS-c
A set of four 4-inch PVC conduits is installed, with four 500 kcmil THWN copper conductors in
each
conduit. When used as service entrance the conductors shall have a maximum overcurrent
device rating of
_________ amps.
a. 800
b. 1,000
c. 1,200
d. 1,600 CORRECT ANS-c
Grounding electrode conductors, size __________ AWG, must always be protected from
physical damage by an
enclosure.
a. 4
b. 6
c. 8
d. 10 CORRECT ANS-c
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 CORRECT ANS-a
, Thermal insulation shall not be installed within __________ inch(es) of recessed fixtures.
a. 1⁄2
b. 3⁄4
c. 2
d. 3 CORRECT ANS-d
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 CORRECT ANS-a
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 CORRECT ANS-a
A 208v, 3 phase heater draws 3,598 watts. How many amperes does it draw?
a. 10
b. 12
c. 14
d. 16 CORRECT ANS-a
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