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Code and Pract ch 7
Installing Surface Nonmetalli Raceways
Question | Answer |
---|---|
1. Which NEC article provides the specific Code requirements for surface nonmetallic raceways and their installation? ( Article 300,386,388or all of the above) | 388 |
2. Surface nonmetallic raceways are suitable for use in which of the following applications (fire alarm systems, communication systems, branch-circuit wiring, all of the above) | All of the above |
3.Surface nonmetallic raceways and associated fittings are required to be __? (listed, painted after installation, secured to the surface at intervals not exceding 3 feet, used for all exposed electrical installations) | listed, 388.6 |
4. Surface nonmetallic raceways are required to be supported and secured in accordance with which of the following(at intervals not exceeding 3 feet, withing 18" if eery box or other enclosure, wherever possible, in accordance with the manufacturer's inst | In accordance with the manufacturer's installation instructions. 388.30 |
5. The largest size conductor permitted in a surface nonmetallic raceway is ___ (6 AWG, 8 AWG, 10 AWG, that for which the raceway is designed) | that for which the raceway is designed 388.21 |
6. Where combination surface nonmetallic raceways are used for both signaling and power circuits, which of the following shall apply( mult choice)( see next card) | |
(separate compartments are required, separate compartments must be identified, the surface raceway must provide separate compartments, all of the above) | all of the above, 388.70 |
7. Where splices or taps are installed in a surface nonmetallic raceway, they shall NOT fill the raceway to more than __ of the cross-sectional area of the raceway at that point( 125%,80%,75%,40%) | 75%, 388.56 |
8. Surface nonmetallic raceways are NOT permitted to be installed in which of the following (In Class I,Division 1 hazardous(classified) locations; in dry locations; under raised floors; where subject to severe physical damage | In Class I,Division 1 hazardous (classified) locations, and Where subject to severe physical damage, 388.12 |
9. Listed surface nonmetallic raceways are permitted to be installed in a damp location. True/False | False, 388.10 |
10. Where a 20-ampere receptacle circuit is installed using a surface nonmetallic raceway system, what is the minimum size equipment grounding conductor required? (14AWG, 12 AWG, 10AWG,No equipment grounding is required for the circuit) | 12AWG, Table 250.22 |
11. Splices in surface nonmetallic raceways without removable covers shall meet which of the following ( see next card) | |
( They shall not fill the raceway to more than 40%, shall not fill the raceway to more than 75% at that point in the raceway, shall be made with suitable wire connectors in accordance with NEC 11014, They shall not be permitted) | They shall not be permitted, 388.56 |
12. Cables shall be permitted to be installed in surface nonmetallic raceways where such use in NOT prohibited by the respective cable articles. T/F | True, 388.22 |
13. Surface nonmetallic raceways are permitted to be installed where subject to physical damage as opposed to severe physical damage. T/F | False, 388.2 |
14. The recommended way to cut smaller nonmetallic surface raceways is to use a__ (hack saw, band saw, PVC cutter, box knife) | PVC cutter |
15. Surface nonmetallic raceways are required to be of a type of construction so as to distinguish them from other raceways T/F | True, 38.100 |
16. Surface nonmetallic raceways and their elbows, couplings, and similar fittings are required to be designed so that the sections can e mechanically coupled together and installed without subjecting the wires to abrasion. T/F | True, 388.100 |
17. Combination surface nonmetallic raceways are required to have the different systems installed in separate compartments wherethe compartments are identified by which of the following(stamping, imprinting, color coding of the interior finish Anyofabove | Any of the above |
18. Where surface nonmetallic raceways have limited smoke-producing characteristics, they shall be permitted to be so identified. T/F | True, 388.120 |
19. There are surface nonmetallic raceways which are listed for __?(low voltage, 300 volts, 600 volts, all of the above) | all of the above |