Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 15, Problem 4R
To determine
Fill in the blanks with appropriate answer in the given statement.
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Grounding Lighting Fixtures. There are specific requirements for grounding lighting fixtures. How must they be grounded and with what size conductors? Be sure and cite the code in your answers.
Chapter 15 Solutions
Electrical Wiring Residential
Ch. 15 - Prob. 1RCh. 15 - Prob. 2RCh. 15 - What special type of switch is controlling the...Ch. 15 - Prob. 4RCh. 15 - The total estimated volt-amperes for Circuit B10...Ch. 15 - If an attic is accessible through a scuttle hole,...Ch. 15 - Prob. 7RCh. 15 - Prob. 8RCh. 15 - The following is a layout of the lighting circuit...Ch. 15 - Prob. 10R
Ch. 15 - Prob. 11RCh. 15 - a. What is the minimum power demand allowed by the...Ch. 15 - What is the maximum permitted current rating of a...Ch. 15 - Prob. 14RCh. 15 - a. Must the metal frame of an electric clothes...Ch. 15 - An electric dryer is rated at 7.5 kW and 120/240...Ch. 15 - When a metal junction box is installed as part of...Ch. 15 - A residential air-conditioning unit is installed...Ch. 15 - The Code states that a means must be provided to...
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- 3.a. When a device is removed from an outlet box, the_______ wire must be connected in such a way that maintains continuity. A. neutral B. grounding C. hot D. grounded neutral 3. To correctly saw a lath and plaster wall, point the teeth of the saw A. away from you and cut on the pushing stroke. B. away from you and cut on the pulling stroke. C. toward you and cut on the pushing stroke. D. toward you and cut on the pulling stroke.arrow_forwardQUESTION 44 Metal wireways are sheet metal troughs with _____ for housing and protecting electric conductors and cable. a. none of these b. a or b c. removable covers d. hinged coversarrow_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
- How many circuit wires enter the entry ceiling box? How many equipment grounding conductors enter the entry ceiling box?arrow_forwardA means shall be provided in each metal box over 100 cubic inches for the connection of an equipment grounding conductor. The means shall be permitted to be ______. a tapped hole the cover screw III. a screw used to mount the box (a.) I only (c.) I & II only (b.) II only (d.) I, II or IIIarrow_forward_ lines indicate exposed wiring.arrow_forward
- Where run across the top of floor joists or within ______ ft of the floor or floor joists across the face of rafters or studding, in an attic that has permanent stairs, nonmetallic-sheathed cable must be protected by substantial guard strips that are at least as high as the cable. Select one: A. 6 B. 7 C. 8 D. 5arrow_forwardQUESTION 8 Enclosures that are not over 100 cubic inches in size and which have two conduits supported within three feet on either side of the enclosure and the enclosure does not contain devices or support fixtures shall not be required to have the enclosure supported if the conduits are _____. a installed with locknuts inside and outside enclosure b shoulders of fittings outside and locknuts inside the box c rigid nonmetallic conduits d threaded into hubs identified for the purposearrow_forwardArticle 300 cable or nonmetallic raceway-type wiring methods installed in a groove, to be covered by wallboard, siding paneling, carpeting, or similar finish must be protected by 1/16in.thick____ or by not less than 1 1/4in. of free space for the full length of the groove. A thinner plate that provides equal or better protection may be used if listed and marked. a. steel plate b. steel sleeve c. PVC bushing d. a or barrow_forward
- Question 6 B Thevenin’s Theorem RL what VTH RTH Full explain this question very fast solution sent me step by step Not:- Text typing work only and Don't ignore any part all part work uarrow_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_forwardIf a recessed luminary without an integral junction boxes installed what extra wiring must be providedarrow_forward
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