NASCLA Electrical Questions With Complete Solutions

For terminations using wire binding screws, conductors not larger than ___________________ are not allowed correct answer: 10 AWG (110.14(A)) The high leg of a delta system must be ________________________ correct answer: Orange (110.15) Minimum DEPTH of a clear working space is correct answer: 3' (110.26(A)) Minimum width of working space is ___________ or the width of the equipment, whichever is greater. Doors must open at least ____________ correct answer: 30in, 90 Degrees (110.26(A)(2)) Minimum Height of working space is _________________ , or the height of equipment, whichever is greater. correct answer: 6'1/2" (110.26(A)(3)) Equipment over ____________________ or more than _____ ft. wide require _________ entrances to the working space. correct answer: 1200A, 6', 2 (110.26(C)(2)) Dedicated equipment space extends from floor to __________ above the equipment or structural ceiling correct answer: 6' (110.26(E)) What section covers enclosure types, such as NEMA 3R, which provides protection from incidental contact, rain, and snow and sleet? correct answer: (110.28) Grounded conductors must be ___________________ correct answer: white, gray, or three continuous white or gray stripes along insulation other than green (200.6) GFCI Protection Requirements are in which section? What are they? correct answer: (210.8) Required circuits for dwelling units Include? correct answer: (2) 20A Small Appliance Circuits