Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Textbook Question
Chapter 20.1, Problem 1R
- a. What branch circuit supplies the counter-mounted cooking unit in this residence?
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- b. What is the rating of this branch circuit? ________________________________
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electrical wiring 20th edition residential book
chapter 12 review question #27
The following is a layout for the lighting circuit for the Kitchen. Complete the wiring diagram using colored pens or pencils to show the conductors’ insulation color.
Chapter 20 Solutions
Electrical Wiring Residential
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- Refer 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_forwardThe following is a layout of the lighting circuit for the Laundry, Powder Room, Rear Entry Hall, and Attic. Complete the wiring diagram using colored pens or pencils to indicate conductor insulation color. The GFCI receptacle in the Powder Room is not shown in the diagram because it is connected to a separate circuit, B21.arrow_forwardMay 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_forward
- The following is a layout for the lighting circuit for the Kitchen. Complete the wiring diagram using colored pens or pencils to show the conductors insulation color.arrow_forwardThe 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_forwardA mobile home served with 120/240 volt 3 wire service that has a calculated load greater than 50 ampere is required to be supplied power using a permanent wire method from the adjacent power supply pole to the mobile home. The power supply feeder is required to consist of?arrow_forward
- For residential wiring, not less than one 15-ampere lighting branch circuit should be provided for every ____________ ft2 of floor area. If 20-ampere lighting branch circuits are used, provide one 20-ampere lighting branch circuit for every ____________ ft2 of floor areaarrow_forwardWhere a building or structure is suplkied by more than one service, or a combination of branch circuits, feeders, and services, a permanent plaque or directory must be installed at each sertvice disconnect location denoting all other suplying that building or structure and the area served by each. A. Services B. Feeders C. Branch circuits D. All of the abovearrow_forwarda. The Code requires a minimum of two small-appliance circuits in a kitchen. Is it permitted to connect a receptacle in a dining room to one of the kitchen small-appliance circuits? _______________ What Code section applies to this situation? _______________ b. Are outdoor weatherproof receptacles permitted to be connected to a 20-ampere small-appliance circuit? _______________ c. Receptacles located above the countertops in the kitchen must be supplied by at least _______________ 20-ampere small-appliance circuits.arrow_forward
- The required 125v, 1 ohm, 15A or 20A receptacle on rooftos for heating, air-conditioning and refrigeration servicing shall be within _____ feet of the equiptment.arrow_forward17.b. Which of the following is the best example of a building supplied by a single branch circuit?A. A detached carport with no doors, walls, or windowsB. A detached garage at a dwelling occupancyC. A ground-mounted air conditionerD. A university dormitoryarrow_forwardQUESTION 9 When a ground wire is connected to an interior gas piping system and the underground portion of the gas pipe into the building is plastic, which of the following is (or are) true? a A.This would be approved by code as the gas pipe is only being bonded to the electrical system. b B.This installation would be approved by code, as the gas pipe is not a grounding electrode. c C.Both A and B d D.Neither A nor Barrow_forward
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