Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 18, Problem 9R
To determine
Choose the correct option from the given options to explain whether the receptacle for a sump pump mounted in the basement should be GFCI protected or not.
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13. How can a duplex receptacle be converted to a split-wired receptacle?
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highlighted on the review page).
Four electricians are discussing wiring under raised floors in information technology equipment rooms. Electrician A says that wiring under the raised floor requires fire-resistant walls, floors, and ceilings between other occupancies. Electrician B says that wiring under the raised floor requires fire resistant halfway up the walls and floors between other occupancies. Electrician C says that the room must employ a disconnecting means that removes half of the power to all equipment in the room. Electrician D says that a disconnecting means isn't necessary for the room. Which of the following statements is correct?
A. Electrician B is correct.
B. Electrician D is correct.
C. Electrician A is correct.
D. Electrician C is correct.
After reduction, the current - caring capacity of a condenser is referred to as the___.
A. ambience b. Allowable ampacity c. ampacity d. ambient rating
Chapter 18 Solutions
Electrical Wiring Residential
Ch. 18 - a. What circuit supplies the workshop lighting?...Ch. 18 - Prob. 2RCh. 18 - a. How is EMT fastened to masonry? _______________...Ch. 18 - What type of luminaires are installed on the...Ch. 18 - Prob. 5RCh. 18 - To what circuit are the smoke detectors connected?...Ch. 18 - Is it a Code requirement to connect smoke...Ch. 18 - Prob. 8RCh. 18 - Prob. 9RCh. 18 - Prob. 10R
Ch. 18 - Adjustment factors for conductor ampacities must...Ch. 18 - Prob. 12RCh. 18 - Prob. 13RCh. 18 - Calculate the total current draw of Circuit A17 if...Ch. 18 - Prob. 15RCh. 18 - A conduit body may contain splices if marked with...Ch. 18 - What size box would you use where Circuit A17...Ch. 18 - List the proper trade size of electrical metallic...Ch. 18 - According to the Code, what trade size EMT is...Ch. 18 - a. When more than three current-carrying...Ch. 18 - Prob. 21RCh. 18 - For laundry equipment in basements, what sort of...Ch. 18 - Prob. 23RCh. 18 - A Type NM cable carries a branch circuit to the...Ch. 18 - Prob. 25RCh. 18 - The following is a layout of the lighting circuits...Ch. 18 - Prob. 27RCh. 18 - Prob. 28R
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- True or False: Receptacles used on the job site should be protected with a GFCI.arrow_forward20. Four electricians are discussing wiring under raised floors in information technology equipment rooms.Electrician A says that wiring under the raised floor requires fire-resistant walls, floors, and ceilings betweenother occupancies. Electrician B says that wiring under the raised floor requires fire resistant halfway up thewalls and floors between other occupancies. Electrician C says that the room must employ a disconnectingmeans that removes half of the power to all equipment in the room. Electrician D says that a disconnectingmeans isn't necessary for the room. Which of the following statements is correct?A. Electrician A is correct.B. Electrician D is correct.C. Electrician B is correct.D. Electrician C is correct.arrow_forwardAll of the following can provide GFCI protection for kitchen countertop convenience receptacles EXCEPT:__________. Select one: a. AFCI/GFCI circuit-breakers b. by installing a single feed-through type GFCI receptacle to protect downstream receptacles c. AFCI circuit-breakers d. GFCI circuit-breakersarrow_forward
- Flammable liquid is being pumped out of a steel drum into a steel bucket using a hand pump. Describe an appropriate grounding and bonding procedure. Please include a schematic of the proposed grounding and bonding arrangement.arrow_forward1. A standard incandescent dimmer can be used to control which of the following loads? c. either a or b d. neither a nor b a. a low-voltage lighting transformer b. incandescent lighting 2. Negative battery terminals are generally have a a. red A19 GFCI WP XP H # $$3 BE $3$F$ ||| color marking. b. black ||| b. lead-acid 4. Ceiling-suspended (paddle) fan speed can be controlled by a. pull chain on the fan b. speed control mounted in a wall box. Figure 116.109 3. Refer to Figure 116.109. The three-way switch to the left of the sliding doors controls a. the ceiling fan c. the exterior light fixture b. the exterior WP GFCI receptacle d. the four split-wired receptacles 冊 ||| c. remote-control similar to TV/VCR type d. any of these 5. A storage battery is comprised of one or more rechargeable cells of the electrochemical types. a. nickel-cadmium c. either a or b. or other rechargeable d. neither a nor barrow_forwardWe are running 3 wires and a ground in a RMC to a control panel with a 60 amp circuit breaker disconnect in the control panel. The conduit is run along the ceiling where the ambient air temperature is 100 degrees. The control panel feeds our secondary cooling pump. What size are the ungrounded conductors? All conductors have typeTHHN insulation. A #6 AWG B 600 Kcmil C #8 AWG D #2 AWG What size RMC do we need? A 3" B 3/4" C 1" D 1 1/2"arrow_forward
- schedules are typically provided to detail the circuits and overcurrent protection required for listribution equipment. Branch-circuit - Outlet C. d. ore distribution points for electrical in .... Switch Panelboardarrow_forward7. If a grounded surface metal box makes direct contact with the mounting strap for a switch or receptacle,then theA. bonding jumper can be undersized.B. neutral conductor will operate as the equipment grounding conductor.C. bonding jumper isn't required.D. device must be protected with a GFCI device.arrow_forwardAn isolator is used to: Select one: a. To be mounted on towers for insulation purpose b. All of the above c. to disconnect part of the system for maintenance from live circuit d. Insulate the wires to avoid electrocution and short circuits Clear my choicearrow_forward
- If I am running a #12 AWG conductor with a K value of 10.4 for a 120VAC single phase lighting circuit 200 ft, from the junction box inside the building. What voltage would be available at the load and would it meet the NEC recommendation? If not, what would be the solution? If I am running a 3-phase, 120V/208VAC feeder circuit from the first floor service panel to the second floor 200A lighting panel. The distance between is 120 ft. If I use copper wire with a K value of 10.4, what size conductors should I use to meet the recommendations from the NEC for Voltage Drop?arrow_forwardIf a recessed luminary without an integral junction boxes installed what extra wiring must be providedarrow_forward2. When working on a high - voltage system , it is best to keep anyone who is not part of the ser vice away from you and the car by creating a buffer zone around the car . Technician A makes sure the outside edges of the zone are at least one foot away from the car . Technician B places B orange cones to define the outer boundaries of the zone. Who is correct ?arrow_forward
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