Final Exam

Final Exam Section ____ of the NEC states that luminaries, switches, receptacles and other electrical equipment not associated with the hydro massage tub shall be installed according to____ - - 680.72, chapters 1 through 4 Each 10' section of lighting track is rated for 15 amps at 125 volts. The circuit supplying this track can be connected to a ___- amp, single pole breaker in a 120/240 volt singe phase, 3 wire panel. I. 15 II. 20 - - I only Fire alarm circuits and equipment shall be grounded in accordance with NEC article______. - - 250 When a 120 volt receptacle and a TV outlet are mounted in a double gang box, _____ is required in the box to isolate the TV conductors from the power wiring. - - a barrier Plan ahead of time for lane changes; ____; and signal your intentions to traffic behind and swing over in a long, gradual tangent. I check your rear view mirrors. II. reduce your speed. III. check your blind spots. - - I and III only Is it permitted to connect the metal frame of the attic exhaust fan to the grounded conductor? - - no The NEC reference that permits or prohibits connecting the metal frame of the attic exhaust fan to the grounded conduction is_____, - - 250.142 (B) You are sent on a service call to install power for a new central air-conditioning unit. The nameplate has the following information: ph 1 volts 240 MCA 25.5 MOCP 45 a fuse. The old (inefficient) unit has 6 awg copper branch circuit conductors, a 60-A braker in the panel, and 60-amp fuses in the AC disconnect switch next to the unit. You are permitted to____. - - leave the ^0-A breaker in the panel but change the fuses in the disconnect to 45 amps When class 2 control circuit wiring enters the wiring enclosure of a piece of equipment, this wiring is permitted to pass through the line voltage of the enclosure if no splices are made in the Class 2 wiring. T/F - - False When measuring the depth of a buried raceway, you must measure from the top of finish grade to the ____ of the buried raceway. - - Top Television antenna and lead-in wires are covered under Article ____. - - 810 Class 2 control circuit wiring that supplies a piece of equipment____ permitted to be supported by attachment to the power raceway or cable that supplies the equipment. I/IN - - is not What is the minimum burial depth of a 20-amp, GFCI protected, 120 volt branch circuit under a two family dwelling? the wiring method is Type UF cable. The duplex is NOT built on a concrete slab. - - 12'' When laying out the wall receptacle l