Electrician's Licensing Exam Questions and Answers

Electrician's Licensing Exam Questions and Answers NEC Article ______ defines breakers and fuses. -Answer-According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. -Answer-Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association -Answer-True - NEMA is the acronym for National Electrical Manufacturers Association. What does it mean when a receptacle has "NEMA 5-20R" on it? -Answer-A receptacle with NEMA 5-20R on it has an amperes rating of 20, will take a NEMA-5-15P or NEMA- 5-20P plug, and has a voltage rating of 125. NEC Tables 310-10 through 310-21 provide information on. -Answer-The sizes of copper and aluminum wire, as well as the coating of wire that has fewer than three current carrying wires in a cable or conduit or that is buried in the earth. Which NEC tables(s) cover(s) the fill of metal boxes? -Answer-The fill of metal boxes appears in NEC Tables 314.6 A and B. NEC Article _____ address EMT. -Answer-NEC Article 358 covers EMT. Which NEC articles cover the installation requirements for RMC, IMC, and EMT? - Answer-NEC Articles 342, 344, and 358 outline the installation requirements of RMC, IMC, and EMT. IN NEC 2008, what does Table 370.6A cover? -Answer-Shows in two columns (milimeters and inches), how many wires in trade size you can place in a box. What NEC table would you go to to find trade size of conduit and raceway size? - Answer-Chapter 9, Table 4 outlines trade size of conduit as well as raceway size. NEC Articles _____ and _____ covers metallic and non-metallic raceways in buildings. - Answer-NEC Article 386 covers metallic or metal raceway; NEC Article 388 covers PVC pipe. The Panel Board requirements for Application in Construction appear in NEC Article? - Answer-NEC Article 408 covers panel board applications. The smaller kitchen counter requiring a receptacle is _____ inches. -Answer-A 12in. counter requires a receptacle because it holds small appliances. What new code is needed for protection in all habitable spaces? -Answer-According to new codes, ARC fault protection is needed many additional parts of the house. A 12-foot hallway requires one receptacle to meet code. (True or False) -Answer-True, One is required, Two are suggested. NEC Article 100 is dedicated to? -Answer-Definitions The main ground on a service is a(n) _____. -Answer-Ground Rod What does NEC Section 250-28A require? -Answer-A main bonding jumper and a system bonding jumper. NEC section 250-28A provides information on what material can be used for a main bonding jumper. (True or False) -Answer-True A bonding screw is what color? -Answer-A bonding screw is green. A subpanel requires a bonding screw? (True or False) -Answer-False, A bonding screw is unneeded in a subpanel