202 Lab Subject Indexing Worksheet

d. all of these NEC 701.12(B)(1), (2), and (3)

16. A generator set for a legally required standby system shall ____. a. have means for automatically starting the prime mover b. have 2 hours of fuel supply for full-demand operation available on-site if the prime mover is an internal combustion engine c. not be solely dependent on a public utility gas system d. all of these

c. 175 NEC 440.22(A)

4. The rating of the branch-circuit, short-circuit and ground-fault protection device for an individual motor-compressor shall not exceed _____ percent of the rated-load current or branch-circuit selection current, whichever is greater, if the protection device will carry the starting current of the motor: a. 100 b. 125 c. 175 d. none of these

d. patient bed locations NEC 517.18(A)

5. In a health care facility, branch circuits in general care areas, serving __________ shall not be part of a multiwire branch circuit. a. transformers b. x ray machines c. vending machines d. patient bed locations

d. all of these NEC 518.4(A)

10. Which of the following wiring methods are permitted in an assembly occupancy of fire-rated construction? a. Metal raceways b. Type MC cable c. Type AC cable d. all of these

b. 1 1/2 NEC 700.12(A)

14. A storage battery supplying emergency lighting and power shall maintain not less than 87 percent of normal voltage at total load for a period of at least _____ hour(s). a. 1 b. 1 1/2 c. 2 d. 2 1/2

b. mechanically NEC 701.5(C)

15. Automatic transfer switches on legally required standby systems shall be electrically operated and ____ held. a. electrically b. mechanically c. gravity d. any of these

b. equipment grounding conductor NEC 525.30

11. The _____ of the circuit supplying metal parts of portable structures at carnivals, circuses, or fairs can serve as the required bonding means a. grounded conductor b. equipment grounding conductor c. grounding electrode conductor d. ungrounded conductor

b. authority having jurisdiction NEC 700.3(A)

12. The _____ shall conduct or witness an acceptance test of the complete emergency standby power system upon installation and periodically afterward. a. electrical engineer b. authority having jurisdiction c. qualified person d. manufacturer's representative

d. all of these NEC 700.5(A)

13. Emergency transfer equipment, including automatic transfer switches, shall be _____. a. automatic b. identified for emergency use c. approved by the authority having jurisdiction d. all of these

b. 1 NEC 410.117(C)

1. An outlet box for a recessed incandescent fixture shall be at least ___ ft. from the fixture if the branch-circuit conductors are not suitable for the temperature. a. ½ b. 1 c. 2 d. 4

d. a or b NEC 702.5 Ex

17. For optional standby systems, the temporary connection of a portable generator without transfer equipment shall be permitted where conditions of maintenance and supervision ensure that only qualified persons will service the installation, and where the normal supply is physically isolated by _____. a. a lockable disconnecting means b. the disconnection of the normal supply conductors c. an extended power outage d. a or b

d. 30 in NEC 626.31(B)

18. Disconnecting means for transport refrigerated units shall be readily accessible, located not more than _____ from the receptacle it controls? a. 60 in b. 72 in c. 24 in d. 30 in

c. 5 ft NEC 640.10(A)

19. A 20 amp GFCI protected audio signal amplification circuit must maintain how much clearance from a body of water. a. 4 ft b. 3 ft c. 5 ft d. 6 ft

d. 80 NEC 430.83(C)(2)

2. For stationary motors of 2 hp or less and 300V or less on ac circuits, the controller can be an ac-rated only general-use snap switch where the motor full-load current rating is not more than ________ percent of the rating of the switch. a. 50 b. 60 c. 70 d. 80

a. 18 AWG NEC 610.14(C)(1)

20. A crane with a multi-conductor cord external to motors and controls with a circuit not exceeding 7 amperes shall be a minimum size of _____. a. 18 AWG b. 16 AWG c. 12 AWG d. 20 AWG

d. any of these NEC 430.109

3. A motor disconnecting means can be a ________. a. listed molded case circuit breaker b. listed motor-circuit switch rated in horsepower c. listed molded case switch d. any of these

a. type and maximum wattage of lamps for which the luminaire is designed NEC 502.130(A)(1)

6. Luminaires installed in Class II, Division 1 locations shall be identified for Class II locations and shall be clearly marked to indicate the ____. a. type and maximum wattage of lamps for which the luminaire is designed b. minimum conductor size c. maximum overcurrent protection permitted d. all of these

d. all of these NEC 503.130(A)

7. Luminaires for fixed lighting in Class III shall have enclosures for lamps and lampholders that are designed to prevent the escape of ____. a. sparks b. burning material c. hot metal d. all of these

d. any of these NEC 514.8 and Ex 2

8. Underground wiring to motor fuel dispensers shall be installed in ____. a. threaded rigid metal conduit b. threaded steel IMC c. PVC conduit when buried under not less than 2 ft of cover d. any of these

d. eight NEC 517.18(B)

9. Each general care area patient bed location shall be provided with a minimum of _____ receptacle(s), which can be single, duplex, or a combination with each duplex counting as two receptacles. a. two b. four c. six d. eight