1.If you measure 20 feet between an existing box and a new box location, you should cut a piece of cable with alength of approximatelyA.20 to 21 ft. C. 40 to 42 ft.B.25 to 26 ft. D. 48 to 55 ft.2.When a device is removed from an outlet box, the _______ wire must be connected in such a way thatmaintains continuity.A.neutral C. hotB.grounding D. grounded neutral3.To correctly saw a lath and plaster wall, point the teeth of the sawA.away from you and cut on the pushing stroke. C. toward you and cut on the pushing stroke.B.away from you and cut on the pulling stroke. D. toward you and cut on the pulling stroke.4.The labor performed when you extend an existing electrical system is calledA.old work. C. troubleshooting.B.repair work. D. faultfinding.5.The basement in an existing building has concrete walls, a concrete floor, and a concrete ceiling. From thisinformation, you know that receptacles, lamp fixtures, and switchesA.can’t be installed in this basement as there is no way to ground the circuit.B.won’t require ground-circuit protection because concrete insulates the occupants from ground.C.can be installed in the basement and circuit wiring enclosed in a surface raceway system.D.can only be installed if they’re connected with armored cable.6.Which of the following tests must be performed on a de-energized circuit?A.Power test C. Voltage testB.Continuity test D. Current test7.Each outside receptacle must be protected byA.a GFCI. C. a single- or double-pole switch.B.its own ground rod. D. its own circuit.8.A circuit consists of five unequal loads connected in parallel. To measure the resistance through one specificload, you mustA.remove power from the circuit and measure the load’s resistance in it’s installed location.B.apply power to the circuit, disconnect the load from the circuit, and measure the load’s resistance.C.apply power to the circuit, measure the overall circuit resistance, and divide this value by five.D.remove power from the circuit, disconnect the load from the circuit, and measure the load’s resistance.9.When new work is being performed, an outlet box must have a minimum depth ofA.1 in. C. 2 in.B.1 ½ in. D. 2 ½ in.10.When new outlets are being added to the first floor of a two-story house with an unfinished basement, theeasiest route for running cable is usuallyA.behind the wall.B.behind the baseboard.C.by way of the second floor.D.by way of the basement.11.When an aluminum conductor is installed on a screw terminal, the screw should be tightened to a torque ofA.8 lb-in. C. 15 lb-in.B.12 lb-in. D. 20 lb-in.12.A fixed electric space heater that draws a maximum current of _______ must be supplied by a cable with anampacity of 30 A.A.15 A C. 27 AB.24 A D. 30 A13.If a fixed appliance has an automatically started motor and is supplied by an individual branch circuit, theprotection recommended is equal to or less thanA.twice the appliance rated current. C. the appliance rated current.B.125 percent of the appliance rated current. D. the full service current.14.Which of the following is a true statement about the planning stages of adding a receptacle to an existingelectrical system?A.You must ensure that the existing circuit breaker will have enough capacity to handle the expected load tobe applied at the new receptacle.B.It’s not acceptable to bring power from an existing box containing a light switch.C.Only nongrounding-type receptacles can be added to an existing system.D.It isn’t necessary to identify joist or stud locations prior to adding a new receptacle.15.When installing cable behind a wall, it’s recommended to run the cable behind the baseboard rather thanthrough the studs when theA.fish tape can’t be utilized. C.wall studs are less than 16 inches apart.B.wall is plasterboard. D. wall is plaster or lath.16.A device box with supports is the best choice when installing aA.device box mounted in an existing drywall-covered wall.B.device box in a lath ceiling.C.device box that’s to be attached to a bar hanger.D.shallow device box in either new or existing walls.17.A transformer that’s used with a doorbell has a fixed output ofA.1 V. C.60 V.B.10 V. D.120 V.18.A suitable disconnecting means for a fixed appliance is aA.pigtail cord. C.circuit breaker.B.light switch that interrupts the hot wire. D.two-pole switch that interrupts the common wire.19.The most efficient way to troubleshoot a defective electrical circuit is to start byA.replacing the components that you believe are faulty.B.having the power company evaluate the entire system’s operating efficiency.C.breaking down a multiple-circuit system into isolated circuits to be evaluated one at a time.D.bypassing the system’s main disconnect to ensure continuous power. 20. After routing cable from an existing device box through a wall and pulling the cable into a new box, your nextstep is toA. replace the existing receptacle with a higher-capacity device.B. apply power to the circuit.C. strip and connect the wires to the existing receptacle.D. tighten the internal cable clamps in the new box.
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Thank you very much Chris, for your help..and fast response.Great help!
You're very welcome. Glad to assist you!