Exam: 006826RR – NEC, Electrical Installations, and Branch Circuits 1. Which of the following terms, common in many types of building codes and code enforcement, refers to the local building official responsible for the enforcement of the NEC? A. NFPA B. ANSI C. OSHA D. AHJ 2. Labeled equipment must be installed and used according to the A. design specifications. B. Underwriters Laboratories. C. instructions provided. D. published approvals. 3. According to the NEC, the term _______ means recognized as suitable for a specific purpose described in the code. A. labeled B. listed C. identified D. approved 4. What distance does the NEC define as “within sight of”? A. 25 feet B. 40 feet C. 50 feet D. 60 feet 5. The NEC requires the grounded conductor of a/an _______ AWG or smaller diameter with a solid-color insulation be identified with by a continuous white or gray outer finish along its entire length. A. 6 B. 3 C. 4 D. 8 6. Two electricians are discussing branch circuits. Electrician A says that a receptacle installed specifically for a dishwasher must be within 6 feet of that appliance. Electrician B says that an outlet that is built-into a range top counts as a receptacle for that counter space. Which of the following statements is correct? A. Both electricians are correct. B. Only Electrician B is correct. C. Neither electrician is correct. D. Only Electrician A is correct. 7. An unintentional electrical path that is conducting current from an ungrounded conductor to a normally non-current carrying metal raceway would be defined as a ground A. fault. B. interrupter. C. conductor. D. electrode. 8. A floor receptacle that is more than _______ inches from a wall shouldn’t be included in the number of required outlets for a given wall space. A. 18 B. 20 C. 36 D. 24 9. In regards to installation of electrical conductions and equipment, who may grant exceptions to the requirements of the NEC? A. UL B. AHJ C. NFPA D. IEEE 10. A system or circuit conductor that is intentionally grounded is said to be A. a lightning rod. B. a proper wiring system. C. a grounded conductor. D. effectively grounded. 11. Two electricians are discussing outdoor receptacles. Electrician A says that one receptacle is required in the front and back of all dwelling types. Electrician B says the plans call for mounting the rear outdoor receptacle outlet 6 feet 6 inches from the outside edge of a deck. Which of the following statements is correct? A. Only Electrician A is correct. B. Only Electrician B is correct. C. Both electricians are correct. D. Neither electrician is correct. 12. The NEC requires that 15-ampere and 20-ampere receptacles that serve the countertop of a wet bar must be GFI protected when located within _______ feet of the wet-bar sink’s outer edge. A. 8 B. 6 C. 10 D. 3 13. If an electrical system requires human intervention to disconnect power from a device that system would be defined as A. qualified. B. separately derived. C. isolated. D. nonautomatic. 14. In a grounded system, the conductor that connects the grounded conductor at the service equipment to the _______ is called the conductor. A. common main B. grounding electrode C. equipment-grounding D. main grounding 15. For a receptacle to serve the countertop of a kitchen island, the maximum distance it may be placed below the countertop is _______ inches. A. 10 B. 4 C. 12 D. 8 16. Two electricians are discussing receptacles. Electrician A says that a 15 A receptacle on a 20 A branch circuit can supply a cord-and-plug connected load of 15A. Electrician B says that a 40 A branch circuit can only supply nonlighting loads. Which of the following statements is correct? A. Both electricians are correct. B. Only Electrician A is correct. C. Only Electrician B is correct. D. Neither electrician is correct. 17. A breaker that incorporates a delayed tripping action where the amount of delay decreases as the magnitude of the current increases is defined as a/an _______ circuit breaker. A. adverse time B. inverse time C. timed unit D. time delay End of exam 18. The NEC requires that a device terminal intended for the grounded conductor be identified by a metal coating substantially white in color or the word _______ located adjacent to the terminal. A. grounded B. danger C. connected D. white 19. If a refrigerator is connected to a branch circuit rated at 20 A and that branch circuit supplies additional devices, what is the maximum current the refrigerator can require in this circuit? A. 12A B. 14A C. 16A D. 10A 20. A NEC rule would be considered to be permissive if it contained which of the following phrases? A. Shall be required B. May not be adequate C. May not meet D. Shall not be required
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