FREE AND STUDY GAMES ABOUT CODE AND PRACT CH 7

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FREE AND STUDY GAMES ABOUT CODE AND PRACT CH 7

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -19 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: 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%)

Answer:

75%, 388.56

Question 2: 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)

Answer:

listed, 388.6 Question 3: (separate compartments are required, separate compartments must be identified, the surface raceway must provide separate compartments, all of the above)

Answer:

all of the above, 388.70

Question 4: 9. Listed surface nonmetallic raceways are permitted to be installed in a damp location. True/False

Answer:

False, 388.10 Question 5: 1. Which NEC article provides the specific Code requirements for surface nonmetallic raceways and their installation? ( Article 300,386,388or all of the above)

Answer:

388 Question 6: 19. There are surface nonmetallic raceways which are listed for __?(low voltage, 300 volts, 600 volts, all of the above)

Answer:

all of the above Question 7: 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

Answer:

In accordance with the manufacturer's installation instructions. 388.30 Question 8: 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

Answer:

Any of the above Question 9: 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)

Answer:

All of the above Question 10: 15. Surface nonmetallic raceways are required to be of a type of construction so as to distinguish them from other raceways T/F

Answer:

True, 38.100

Question 11: 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

Answer:

True, 388.100 Question 12: 18. Where surface nonmetallic raceways have limited smoke-producing characteristics, they shall be permitted to be so identified. T/F

Answer:

True, 388.120 Question 13: 14. The recommended way to cut smaller nonmetallic surface raceways is to use a__ (hack saw, band saw, PVC cutter, box knife)

Answer:

PVC cutter Question 14: 13. Surface nonmetallic raceways are permitted to be installed where subject to physical damage as opposed to severe physical damage. T/F

Answer:

False, 388.2 Question 15: 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

Answer:

True, 388.22 Question 16: 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)

Answer:

that for which the raceway is designed 388.21 Question 17: 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)

Answer:

12AWG, Table 250.22

Question 18: ( 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)

Answer:

They shall not be permitted, 388.56 Question 19: 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

Answer:

In Class I,Division 1 hazardous (classified) locations, and Where subject to severe physical damage,

388.12