NEC 2014

Arc fault protection is required for

. dining rArc fault protection is required for ooms . living room . bedrooms

n dwelling units, at least one receptacle outlet shall be installed in bathrooms within ___ of the outside edge of each basin. 2 feet 6 feet 3 feet 9 feet

24 in. (600 mm)

The two resistors in a series circuit have voltages of 12 V and 48 V. The applied voltage is _____.

60 V

Question text The 20-ampere branch circuit required for bathroom receptacles is permitted to serve equipment other than receptacles only under which of the following conditions? Select one: a. when the circuit is protected by a GFCI circuit-breaker b. when the circuit supplies a single bathroom c. when the receptacle is built into the lighting fixture d. either a or b Incorrect Feedback Question text In a combination circuit, to identify which paths are series and which paths are parallel, you should_____. Select one: a. trace the current path(s) b. trace the voltage path(s) Incorrect c. calculate total resistance d. calculate total current Feedback Question text In general, the only conductors permitted to run into or through a fixture body or integral junction box on a recessed fixture are those supplying that fixture. Other conductors are permitted to run through the fixture body or outlet box only when the lighting fixture is marked NEC: ______________________. Select one: a. 75ºC b. "Large Conductors" c. "Identified for Through Wiring" Correct d. "For Bathroom Wet Location" Question text Branch circuits are rated according to their _________. Select one: a. overcurrent protective device rating Correct b. conductor size c. length d. impedance Question text NEC 406.4(D)(2) permits existing two-wire, nongrounded-type receptacles to be replaced with a _______________________ where no equipment grounding conductor exists. Select one: a. GFCI receptacle Correct b. four-wire nongrounding-type receptacle c. three-wire grounding-type receptacle d. twist lock receptacles Question text Fixture whips containing tap conductors used with fixtures in suspended ceilings are permitted to be of various types of cables or conductors in flexible raceways. Fixture whips are permitted to be a maximum of _________ long between outlet box and fixture. Select one: a. 3 feet Incorrect b. 4 1/2 feet c. 6 feet d. 6 feet 7 inches (2 meters) Question text Use the combination circuit with the following values. R1 = 80 Ohms, R2 = 100 Ohms, and R3 = 400 Ohms, and 480 V is applied between A and B. What is the total current flow? Select one: a. 2 A b. 3 A Correct c. 4 A d. 5 A Question text A raised cover (often called a plaster ring or mud ring) is permitted to increase the maximum number of conductors permitted in an outlet box when it is ________________. Select one: a. listed as a box extension b. by the same manufacturer as the box c. marked with its cubic-inch volume Correct d. metallic and capable of being grounded Question text Solving combination circuits includes a step in which you _____ the circuit to a simpler circuit. Select one: a. enlarge b. complicate c. expand d. reduce Correct Recessed lighting fixtures constructed for installation in thermal insulation are Feedback The correct answer is: Question 11 Incorrect 0.00 points out of 1.00 Not flaggedFlag question Question textrated as _______. Select one: a. UL b. Type IC c. Type R d. Class P Incorrect Feedback The correct answer is: Type IC Question 12 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text Class A GFCI devices trip (open) when a ground-fault in the range of ____ milliamperes occurs. Select one: a. 20 milliamperes b. 30 milliamperes c. 4 to 6 milliamperes Correct d. 8 to 10 milliamperes Feedback The correct answer is: 4 to 6 milliamperes Question 13 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text In a bathroom, at least one receptacle must be installed within ____ inches of the outside of the basin. Select one: a. 12 b. 18 c. 24 d. 36 Correct Feedback The correct answer is: 36 Question 14 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text Fluorescent fixtures mounted on low-density cellulose fiberboard must be mounted _________ the fiberboard. Select one: a. 1 1/2" (38 mm) from Correct b. on strut-type channels or rod-type hangers below c. with a backboard of fire-resistant material between the fixture and d. with 3/4" wood backing Feedback The correct answer is: 1 1/2" (38 mm) from Question 15 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text What switches are required to control a lighting outlet from three locations? Select one: a. 2-single pole and 1-three way b. 2 -four way and 1-three way c. 1-single pole, 1-three way, 1-four way d. 2-three way and 1-four way Correct Feedback The correct answer is: 2-three way and 1-four way Question 16 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text A combination circuit is a circuit that contains _____. Select one: a. only series components b. only parallel components c. both series and parallel components Correct d. both voltage and current sources Feedback The correct answer is: both series and parallel components Question 17 Incorrect 0.00 points out of 1.00 Not flaggedFlag question Question text For outlet boxes or outlet box systems designed to support ceiling-suspended (paddle) fans that weigh more than ___ lbs. the required marking shall include the maximum weight to be supported. Select one: a. 15 b. 25 Incorrect c. 35 d. 50 Feedback The correct answer is: 35 Question 18 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text A two-branch parallel circuit has a 30 Ohms and a 15 Ohms resistor. What is the total resistance? Select one: a. 2 Ohms b. 10 Ohms Correct c. 45 Ohms d. 15 Ohms Feedback The correct answer is: 10 Ohms Question 19 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text The "ambient air temperature" that is considered in relation to a conductor ampacity is the temperature of the _____. Select one: a. conductor b. insulation c. raceway d. surrounding air Correct Feedback The correct answer is: surrounding air Question 20 Incorrect 0.00 points out of 1.00 Not flaggedFlag question Question text If there are more than _____ current-carrying conductors in a raceway, the ampacity of the conductors must be derated. Select one: a. two Incorrect b. three c. four d. six Feedback The correct answer is: three Question 21 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text GFCI protection is not required for _____. Select one: a. Snow melting or deicing equipment Correct b. kitchen countertop receptacles c. bathroom receptacles d. crawl spaces below grade level Feedback The correct answer is: Snow melting or deicing equipment Question 22 Incorrect 0.00 points out of 1.00 Not flaggedFlag question Question text All of the following shall be counted when calculating box conductor fill, except for _______________. Select one: a. conductors that pass through the box without splice or termination Incorrect b. fixtures, hickeys, and clamps c. toggle switch d. 16 AWG conductor entering the box from an attached lighting fixture Feedback The correct answer is: 16 AWG conductor entering the box from an attached lighting fixture Question 23 Incorrect 0.00 points out of 1.00 Not flaggedFlag question Question text A series circuit is a circuit that has only one path for _____ flow. Select one: a. voltage b. current c. power Incorrect d. resistance Feedback The correct answer is: current Question 24 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text O____________________________. Select one: a d. All of the above Correct Feedback The correct answer is: All of the above Question 25 Correct 1.00 points out of 1.00 Not flaggedFlag question Question text Select one: a. 35 V b. 85 V c. 25 V d. 60 V Correct Feedback The correct answer is: Finish review Skip Quiz navigation Quiz navigation Question 1 This page Question 2 This page Question 3 This page Question 4 This page Question 5 This page Question 6 This page Question 7 This page Question 8 This page Question 9 This page Question 10 This page Question 11 This page Question 12 This page Question 13 This page Question 14 This page Question 15 This page Question 16 This page Question 17 This page Question 18 This page Question 19 This page Question 20 This page Question 21 This page Question 22 This page Question 23 This page Question 24 This page Question 25 This page Show one page at a time Finish review You are logged in as Augustus Elisan (Log out) GW 103 - 6614 Hosted by: Remote Learner Switch to the standard theme

The correct answer is: when the circuit supplies a single bathroom The correct answer is: trace the current path(s) "Identified for Through Wiring" overcurren t protective device rating GFCI receptacle 6 feet 3 A marked with its cubic-inch volume reduce