NEC 2011 Journeyman Electrical Exam Study Guide (Michigan)

NEC 2011 Journeyman Electrical Exam Study Guide (Michigan) Grounding and Bonding: Where outside, aluminum or copper-clad aluminum grounding electrode conductors shall not be terminated within ____in. of Earth. A. 12 in. B. 18 in. C. 24 in. D. 36 in. - B. 18 in. 250.64(A) Temporary Installations: When used by personnel during construction, remodeling, maintenance repair, or demolition of a building, GFCI (ground fault circuit interrupter) protection is required for all 125 volt _____? A. 15 ampere receptacles B. 15, and 20 ampere receptacles C. 15, 20, and 30 ampere receptacles D. Loads - C. 15, 20 and 30 ampere receptacles 590.6(A)(1) Nonmetallic-Sheathed Cable: In an unfinished basement, the smallest NM wire attached to the bottom of the edge of a floor joist is? A. 2- #6 AWG B. 3- #6 AWG C. 3- #8 AWG D. A & C - D. A & C 2- #6 AWG and 3-#8 AWG 334.15(C) Cranes and Hoists: For a flexible power supply cord, what is the minimum size conductor that can be used? A. 16 AWG B. 14 AWG C. 12 AWG D. 10 AWG - A. 16 AWG 610.14(C) Switch Boards and Panel Boards: A neutral conductor is terminated under a screw terminal in the neutral ground bus of a service panel. The number of other conductors that can be terminated with this conductor, under the same terminal, is? A. Zero B. One, of any wire type C. One, if it is the equipment grounding conductor of the circuit. D. Two wires of any type - A. Zero 408.41 Class 1, 2, 3, R.C. Signalling: What is the highest voltage-amperes permitted for a class-1 power limited circuit? A. 100 volt-amperes B. 250 volt-amperes C. 500 volt-amperes D. 1,000 volt-amperes - D. 1,000 volt-amperes 725.41(A) Wiring Methods: What is the minimum distance a concealed or visible bored hole can be from the edge of a wood member? A. 3/4 inch B. 1 inch C. 1 1/4 inches D. 1 1/2 inches - C. 1 1/4 inches 300.4(A)(1) Electric signs and Outline lighting: Ballasts, transformers, and electric power shall be permitted to be located in attics and soffits. What are the dimensions required for an access door, passageway, and permanent walkway? - Access door- 36 inches x 22 1/2 inches Passageway- 13 feet high by 2 feet wide Walkway- 12 inches 600.21(E) Over-Current Protection Surge arrestors are grounded a the arrestor grounding terminal, and if the arrestor grounding conductor is run in a metal enclosure, the ____ end(s) of the enclosure. A. One B. The supply C. The load D. Both ends - D. Both Ends 280.25 Appliances For electrically operated in-sink waste disposers, what is the minimum and maximum length allowed for the electrical cable? A. 12-24 inches B. 16-28 inches C. 18-36 inches D. 24-48 inches - C. 18-36 inches 422.16(B)(1)(2) Branch Circuits An outlet for servicing a rooftop electrical air conditioning unit shall be within ___ft. from air conditioning unit. A. 10 B. 15 C. 20 D. 25 - D. 25 210.63 Box Fill What is the minimum required cubic inch space for a #14 conductor in a box? A. 1.50 in cubed B. 1.75 in cubed C. 2.00 in cubed D. 2.25 in cubed - C. 2.00 in. cubed Table 314.16(B) Box Fill A ceiling light fixture (luminare) NOT weighing over ___pounds may be supported by a standard outlet box. A. 25 B. 35 C. 50 D. 75 - C. 50 314.27 (A)(2)