Electrical Installations and Branch Circuits
4. Installation of electric-discharge auxiliary equipment (suchas fluorescent, mercury-vapor, and sodium fixtures) is limited tooutdoor areas such as roads, bridges, athletic fields, and parkinglots. The lamps shall be mounted in permanently installed fixtureswhere the fixtures are mounted not less than ________ in height onpoles or similar structures.
A. 30 feet B. 22 feet C. 18 feet D. 15 feet
9. In dwelling units, motels, hotels, and other occupancies suchas dormitories, nursing homes, and similar residential occupancies,any luminaire or receptacle for plug-connected loads rated up to1440 VA, or less than ¼ HP, shall be supplied at not more than
A. 277 V. B. 50 V. C. 120 V. D. 600 V.
10. What distance does the NEC define as "in sight from"? A. 60feet B. 40 feet C. 50 feet D. 25 feet
Electrical Installations and Branch Circuits 4. Installation of electric-discharge auxiliary equipment (such as fluoresc
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