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260 NEC® PRINTREADING

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���������� 10. The watts per square foot when calculating the general lighting load for the studio garage is ___. A. 3 C. 6 B. 4 D. not specified

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���������� 11. The minimum depth of the underground conduit feeding the train depot is ___. A. 6″ C. 18″ B. 12″ D. 2′

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���������� 12. All exterior site lighting, yard lighting, garage exterior lighting, and house exterior lighting is operated by a ___. A. photo eye C. three-way switch B. time switch D. all of the above

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���������� 13. Radiant floor heat is specified to be installed in the ___. A. patio, garage, and enclosed porch B. workshop, basement, and studio bathroom C. garage, workshop, studio garage, and basement D. workshop, master bathroom, and basement

���������� T F 14. When installing wiring through wood rafters and ceiling joists, cutting and notching of beams shall not be located in the middle one-third of the span. ����������

���������� 15. The electrical contractor shall install a security and alarm system not to exceed an allowance of $___. A. 2,500 C. 7,500 B. 5,500 D. 40,000

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���������� 16. Ground rods are specified to be C\v″ × 10′ and shall be driven to a depth of not less than ___′. A. 6 C. 9 B. 8 D. 10

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���������� 17. Rod and pipe type electrodes shall be made of ___ material. A. galvanized steel C. copper-coated B. stainless steel D. all of the above

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���������� 18. The coaxial cable wiring and installation for systems that provide voice, data, video, and audio in residential applications shall comply with NEC® Article ___. A. 728 C. 800 B. 770 D. 830

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���������� 19. Arc fault circuit interrupters are required in the ___. A. laundry, basement, and attic B. dining rooms, hallways, and garage C. sunroom, closets, and porch D. dens, bedrooms, and libraries

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���������� 20. All 125 V, 1φ, 15 A and 20 A receptacles installed in the locations specified below shall have GFCI protection for personnel except ___. A. garages and sinks B. finished basements and outdoor areas C. crawl spaces and boathouses D. bathtubs and shower areas

Printreading Based on the 2017 NEC®  

Printreading has been updated to reflect changes in the NEC® and incorporates fundamental printreading skills and relevant NEC® topics. Prin...