2025 QUESTIONS AND ANSWERS
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. 310.16 -
ANS 4awg
Thermal insulation shall not be installed within ______ inch(es) of recessed fixtures. 410.116 -
ANS 3inches
A 1-inch conduit contains three 3-wire circuits. All conductors are #10 TW. Each circuit consist
of two phase conductors, one ground conductor, and one equipment grounding conductor. The
maximum ampacity of each phase conductor is _____ amps. 310.15(B)(16), 310.15(B)(3)(a),
310.15(5)(a) - ANS 24amps
The volt/ampere rating of a device that consumes 14.5 amps on a 230-volt circuit is _____
watts. A x V = P(Watts) - ANS 3335watts =14.5 x 230 A x V = P(Watts)
A 208V, 3 phase heater draws 3598 watts. How many amperes does it draw? I=P/(1.73 x E) -
ANS 10amps =3598/(1.73 x 208) =3598/(1.73)square root 3/208)
The underwater light fixture shall be installed at least _____ inches below the water level.
680.23(A)(5) - ANS 18inches
A general-purpose receptacle shall not be installed on the _____. 680.22(A)(1) - ANS Fence
directly south of the pool.
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, A junction box for the 120-volt wet-niche fixture shall be at least ____ inches above the ground.
680.24(A)(2)(A) - ANS 4inches (min.4" max.8")
A GFCI protected _____ receptacle for the pump motor may be installed on the south side of
the dwelling unit. 680.22(A)(1)(2) - ANS Locking type
A metal fence installed within _____ feet of the pool shall be bonded. 690.26(A)(7) -
ANS 5feet
The feed to the wet-niche fixture shall be installed in _____. 680.23(B)(2)(a) - ANS A rigid
brass conduit
A 15 or 20-amp receptacle shall be located within _____ feet of a roof top air conditioner.
210.63 - ANS 25feet
The maximum overcurrent protection for eight current carrying #12 THHN conductors in a 1/2"
conduit is _____ amps. 310.15(B)(16), 310.15(B)(3)(a), 240.4(D) - ANS 20amps
An AC system of 50 to 1000 volts shall be grounded if maximum voltage to ground does not
exceed _____ volts. 250.20(B)(1) - ANS 150volts
There is a 10 HP, 230 volt, 3 phase motor, code letter G. The maximum standard rating inverse
time circuit breaker permitted to serve as branch circuit, short circuit, and ground fault
protection when the motor starts the load without difficulty is _____ amps. 430.52, 430.250 -
ANS 70amps
Type "S" adapters are installed in Edison base fuse holders _____. 240.53(B) - ANS To limit
the size of the fuse to be installed
A laundry branch circuit shall be rated at _____ amps. 210.11(C)(2) - ANS 20amps
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