EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 21.2, Problem 5R
To determine
Explain how the dishwasher is grounded in the residence.
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- What color are the faceplates in the bathrooms? Refer to the specifications. ________________arrow_forwardRefer to the specifications in the back of this text following Chapter 33. a. What electrical codes must be conformed to? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ b. What is the wiring method to be used in the workshop? ________________________________________________________________________ c. What size conductors are to be used for the lighting branch circuits? ______________________ AWG the small-appliance branch circuits? ______________________ AWG d. What section of the specifications tells us the size of the service entrance to be installed for this residence?arrow_forwardA residential air-conditioning unit is installed in the attic. a. Is a lighting outlet required? __________ b. What Code section applies? __________ c. If a lighting outlet is required, how shall it be controlled? __________ d. What Code section applies? __________ e. Is a receptacle outlet required? __________ f. What Code section applies? __________arrow_forward
- May the 20-ampere small-appliance branch circuits in the kitchen of a residence also supply the lighting above the kitchen sink and under-cabinet lighting? Check the correct answer. Yes______ No ______arrow_forwardDuplex receptacles connected to the 20-ampere small-appliance branch circuits in kitchens and dining rooms (Circle the correct answer): a. may be rated 15 amperes.(True)(False) b. must be rated 15 amperes.(True)(False) c. may be rated 20 amperes.(True)(False) d. must be rated 20 amperes.(True)(False)arrow_forwardWhich of the following installations for a kitchen waste disposal that operates on a 15-ampere, 120-volt branch circuit requires AFCI protection? (Circle the correct answer.) a. The disposal operates by a switch that is installed above the kitchen counter. b. The disposal operates by a switch that is installed under the counter next to the disposal. c. Both (a) and (b) d. Neither (a) nor (b).arrow_forward
- The recessed fluorescent luminaires installed in the ceiling of the recreation room of this residence are connected with trade size flexible metal conduit. These flexible connections are commonly referred to as fixture whips. Does the flexible metal conduit provide adequate grounding for the luminaires, or must a separate equipment grounding conductor be installed? ________________arrow_forwardWhy is it permissible to omit an electric space heater, water heater, and certain other 240-volt equipment when calculating the neutral service-entrance conductor for a residence? ____arrow_forwardWhen calculating a dwelling lighting load on the "volt-ampere per ft" basis, the receptacle load used for floor lamps, table lamps, and so forth arearrow_forward
- 10.a. Which of the following is a condition of the exception that allows the grounded conductor of feeders tobe used for grounding at separate buildings or structures?A. There are common electrically continuous metallic paths between the feeder source and the destination at the structure served.B. There are common electrically continuous nonmetallic paths between the equipment grounding conductor and the destinationat the structure served.C. An equipment grounding conductor isn't included with the supply circuit to the separate structure.D. Ground-fault protection of equipment is provided on the supply side of the feeder.10.b. A service disconnection means must be installed adjacent to, within sight of, and no more than_______ feet from a mobile home.A. 20B. 30C. 10D. 50arrow_forwardHow are the telephone cables concealed in this residence? ______arrow_forwardWhich of the following must be notified prior to equipment shutdown for repair? a. Director of facilities b. Electrical department c. Affected employees d. Environmental, Health and Safety Officearrow_forward
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