NCCER 26412 EXAM STUDY SET
Which of the following is an approved wiring method allowed in fire-rated construction?
Metal-clad (MC) cable
Nonmetallic raceways in free air
NM cable
PVC - ANSWER Metal-clad (MC) cable
Unless there is a permanent barrier installed between the receptacle and a storable
pool, a receptacle cannot be located any closer to a storable pool than .
3'
4'
5'
6' - ANSWER 6'
In agricultural buildings that require equipotential planes, the equipotential plane MUST
be bonded to the grounding system with a bare or insulated solid copper wire no smaller
No. 14 AWG
No. 12 AWG
No. 10 AWG
No. 8 AWG - ANSWER No. 8 AWG
According to the NEC®, cables on agricultural buildings must be secured within how
many inches of any box, cabinet, or fitting to which they connect?
6"
8"
10"
12" - ANSWER 8"
Wall-mounted underwater luminaires must be installed so that the top of the lens is
below the water level AT LEAST ________.
8"
12"
, 18"
24" - ANSWER 18"
If two separate receptacles having different voltages and amperage ratings are
installed in a single boat slip, the total load calculation MUST include ______________.
only the receptacle with the lower VA demand
only the receptacle with the higher VA demand
the receptacle farthest from shore
both receptacles - ANSWER only the receptacle with the higher VA demand
In both new and retrofit construction situations, a hydromassage or whirlpool tub MUST
have power supplied by a(n) .
cord and plug connection
individual branch circuit
minimum 30A branch circuit
minimum 45A branch circuit - ANSWER individual branch circuit
In temporary installations, single insulated feeder and branch circuit conductors may be
used to supply power for temporary testing, emergencies, experiments, and
developmental work where accessible.
to the general public
to qualified persons only
during daytime hours
to a 600V service - ANSWER to qualified persons only
As long as qualified personnel service the equipment under engineering supervision, a
marina may have a MAXIMUM system voltage of __________.
240V
480V
600V
1,000V - ANSWER 600V
A carnival ride properly powered through a disconnect switch within 6' (1.8 m) of the
operator can also be opened from the operator's console using a .
Which of the following is an approved wiring method allowed in fire-rated construction?
Metal-clad (MC) cable
Nonmetallic raceways in free air
NM cable
PVC - ANSWER Metal-clad (MC) cable
Unless there is a permanent barrier installed between the receptacle and a storable
pool, a receptacle cannot be located any closer to a storable pool than .
3'
4'
5'
6' - ANSWER 6'
In agricultural buildings that require equipotential planes, the equipotential plane MUST
be bonded to the grounding system with a bare or insulated solid copper wire no smaller
No. 14 AWG
No. 12 AWG
No. 10 AWG
No. 8 AWG - ANSWER No. 8 AWG
According to the NEC®, cables on agricultural buildings must be secured within how
many inches of any box, cabinet, or fitting to which they connect?
6"
8"
10"
12" - ANSWER 8"
Wall-mounted underwater luminaires must be installed so that the top of the lens is
below the water level AT LEAST ________.
8"
12"
, 18"
24" - ANSWER 18"
If two separate receptacles having different voltages and amperage ratings are
installed in a single boat slip, the total load calculation MUST include ______________.
only the receptacle with the lower VA demand
only the receptacle with the higher VA demand
the receptacle farthest from shore
both receptacles - ANSWER only the receptacle with the higher VA demand
In both new and retrofit construction situations, a hydromassage or whirlpool tub MUST
have power supplied by a(n) .
cord and plug connection
individual branch circuit
minimum 30A branch circuit
minimum 45A branch circuit - ANSWER individual branch circuit
In temporary installations, single insulated feeder and branch circuit conductors may be
used to supply power for temporary testing, emergencies, experiments, and
developmental work where accessible.
to the general public
to qualified persons only
during daytime hours
to a 600V service - ANSWER to qualified persons only
As long as qualified personnel service the equipment under engineering supervision, a
marina may have a MAXIMUM system voltage of __________.
240V
480V
600V
1,000V - ANSWER 600V
A carnival ride properly powered through a disconnect switch within 6' (1.8 m) of the
operator can also be opened from the operator's console using a .
