Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 12, Problem 21R
To determine
Explain the reason why the receptacle’s screw terminals should not be used to splice the neutral conductors.
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In which type of wiring polyvinyl chloride and vulcanized Indian rubber insulated wires are used as conductors?
O Ceat wiring
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Multiple Choice.
Refers to a point in a circuit where three or more wires are connected.
A. Conductor
B. Junction
C. Loop
D. Resistor
Most residential general lighting circuits are wired with 14-AWG copper conductors and are protected by 15-amp circuit breakers. However, there are many electricians who install 12-AWG copper conductors and protect them with 20-amp circuit breakers. How will you know which conductor size and which circuit breaker size will be used for the general lighting branch circuits in the house you are wiring?
Chapter 12 Solutions
Electrical Wiring Residential
Ch. 12 - If everything on Circuit B7 were turned on, what...Ch. 12 - From what panelboard does the kitchen lighting...Ch. 12 - How many luminaires are connected to the kitchen...Ch. 12 - What color fluorescent lamps are recommended for...Ch. 12 - a. What is the minimum number of 20-ampere...Ch. 12 - Prob. 6RCh. 12 - Prob. 7RCh. 12 - Duplex receptacles connected to the 20-ampere...Ch. 12 - Prob. 9RCh. 12 - A fundamental rule regarding the grounding of...
Ch. 12 - How many circuit conductors enter the box a. where...Ch. 12 - Prob. 12RCh. 12 - Where is the speed control for the range hood fan...Ch. 12 - Who is to furnish the range hood? _____Ch. 12 - Prob. 15RCh. 12 - Complete the wiring diagram, connecting...Ch. 12 - Each 20-ampere small-appliance branch-circuit load...Ch. 12 - a. The Code requires a minimum of two...Ch. 12 - According to 210.52, no point along the floor line...Ch. 12 - Prob. 21RCh. 12 - Electric fans produce a certain amount of noise....Ch. 12 - Prob. 23RCh. 12 - Prob. 24RCh. 12 - Prob. 25RCh. 12 - Prob. 26RCh. 12 - Prob. 27RCh. 12 - The following is a layout for the lighting circuit...
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- Skitch a wire of installationarrow_forward4. In conceal knob and tubing wiring, the clearance to be maintain between conductors is a. 45 mm b. 76 mm c. 55 mm d. d. 50 mmarrow_forwardWhat assumptions can you make regarding the following receptacle wiring? Check all that apply. White neutral wire Grounding screw Brass screw terminal Silver screw terminal Black hot wire Red hot wire Grounding wires Grounding screw terminal O device is at end-of-run device box does not need a ground connection this is a split-circuit receptacle neutral side receptacle tab must be removedarrow_forward
- If the cable in Figure ran for the whole of its length, grouped with others of the same size in a high ambient temperature, and was totally surrounded with thermal insulation, The correction factors considered will be----------- Fuseboard High ambient temperature Cable Grouping of cables Thermal insulation Load BS 3036 fuse O a. Cg O b. All Ca,Cg.Ci and Cf O c. Ci O d. Caarrow_forwardConductors of dissimilar metals shall not be intermixed in a terminal or splicing connector.Please explain me why.arrow_forwardEvery High voltage cable has what is called "critical length. You can not transmit power over any cable if the cable length exceeded its critical length. Why?arrow_forward
- What code sets standards for electrical installation and related works?arrow_forwarda multifamily dwellings service-entrance conductors consist of four paralleled sets of 3/0 AWG THHN copper conductors. What size copper grounding electrode conductor is required?arrow_forwardThe minimum size for copper branch conductors in a dwelling isarrow_forward
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