QUESTIONS AND ANSWERS GRADED A+
✔✔According to code, type______ cable and _______ cable may be used for direct
burial. - ✔✔USE & UF
✔✔A 15 amp branch circuit wired with NO. 14 wire may not be used for a portable
appliance rated at more than_____ amps? - ✔✔12
✔✔According to Ohms law, if, by measurement, voltage is 100 and amperage is 10
then resistance is? - ✔✔10
✔✔A 3x2x2 device box with internal cable clamps is used in a circuit wired with 14-2
romex with ground. One convenience outlet will be attached to the box. Additional
outlets will be required beyond this installation. For the purpose of determining if the box
is large enough. How many conductors would be considered as being within the box? -
✔✔10
✔✔Which of the following locations are listed as tamoer-resistant receptacles NOT
required? - ✔✔Restaurant dining rooms
✔✔How many floors of a five floor apartment building can be wired in romex? - ✔✔5
✔✔The best electrical conductor is? - ✔✔Silver
✔✔In a building where water pipe is available, the minimum size of the GEC for an
ungrounded system with No. 3/0 Cu service conductors shall be No._____. - ✔✔4 Cu
✔✔A home having 1200 sq. Ft. Of usable floor area shall have a minimum general
lighting load of how many watts? - ✔✔3600 (3volts/sqft dwelling units)
✔✔A double pole switch has how many terminals? - ✔✔5
✔✔The distance between supports on rigid metal conduit may be increased to _____ft.
For exposed vertical risers from industrial machinery or fixed equipment. - ✔✔20
✔✔Four No. 10 THHN, copper, current carrying conductors are installed in the same
EMT in an ambient temp. of 30degrees C. The allowable ampacity of each conductor is
______amps. - ✔✔32
✔✔A switch is considered readily accessible if it is not more than _______ ft. above the
floor. - ✔✔6ft. 7in
, ✔✔The capacity of a No. 10 TW not more than 3 when installed in a conduit or in a
cable is ______amps. - ✔✔35
✔✔Table______ shall be used for selecting enclosures for use in specific locations
other than hazardous locations. - ✔✔T 110.28
✔✔According to the code a wire located in a concrete slab in direct contact with the
earth is located in? - ✔✔Wet location
✔✔A portable appliance exceeding _______ amps may not be used on an ordinary 15-
amp circuit commonly used in wiring. - ✔✔12
✔✔The code letter contained on the face plate of an AC motor is used to determine? -
✔✔Maximum amperage required by the motor while starting
✔✔The code recommends that wire sizes be chosen so that voltage drop will not
exceed _______% in any branch circuit measured at the most distant outlet and not
over ________% for feeders and branch circuits combined. - ✔✔3% - 5%
✔✔According to the NEC a luminare that weighs more than _____ lbs shall be
supported independently of the outlet box, unless the outlet box is listed and marked for
a maximum weight to be supported. - ✔✔50
✔✔In all cases, the work space shall permit at least a ______ degree opening of
equipment doors. - ✔✔90
✔✔Service drops passing over a swimming pool shall have a minimum clearance
of_____ft in any direction to the water level, edge or water surface or base of diving
platform. - ✔✔22.5
✔✔Dwelling unit balconies, decks and porches accessible form the inside of the
dwelling unit shall have at least one receptacle installed in the perimeter of the balcony.
The receptacle shall not be located more than _______ in. Above the balcony deck or
por h surface - ✔✔78
✔✔The code requires at least one 20 amp circuit in the laundry, located within ______ft
from the intended location of the washer. - ✔✔6
✔✔What is the maximum voltage allowed by code for underwater lighting in a swimming
pool? - ✔✔150