Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 12, Problem 24R
To determine
State the uniqueness about the 2-wire cord-and-plug connected 120-volt appliances than the 3-wire cord-and-plug connected appliances that are rated at 120 volts.
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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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- To testing installation of grounds, the usual procedure is to connect one lead of the megohmmeter to one of the conductors, then the other lead is___. A, connected to another conductor b, connected to the conduit or raceway c. Connected to a special grounding electrode on the megohmmeter d. Left unconnectedarrow_forwardEquipment Grounding 10. Which of the following statements about ground faults is true?A. They usually occur between any grounded circuit conductor and the equipment grounding conductor. B. They're often normal and typically intentional.C. They can't result from human error.D. They can happen if a conductive tool is dropped in an energized equipment's electrical enclosure.arrow_forward4.a. The ___ calculated load is rarely placed on an electrical system.A. optionalB. standardC. total 4.b. What's the primary disadvantage of using copper conductors?A. CostB. AvailabilityC. Weight 4.c. You're evaluating the components of a multioccupancy building that won't have an on-site employee. Tobe compliant with the NEC, each occupant will need to have access to their ownA. service-disconnecting means.B. service conductor.C. cable attachment point.D. emergency fire water-pump disconnect.arrow_forward
- 2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in aparking lot. This auxiliary grounding electrode will be connected to theA. lighting pole's electrical service equipment grounding conductor.B. electrical service's grounding electrode conductor.C. next lighting pole's auxiliary grounding electrode.D. lighting pole's neutral conductor.arrow_forward- Loads, Service, and Overcurrent Protection 6.a. The general lighting load is based on a _______ per square foot basis.A. kilowattB. number of circuitsC. volt-ampereD. general illumination6.b. What's the primary disadvantage of using copper conductors?A. AvailabilityB. WeightC. CostD. Durabilityarrow_forwardQuestion 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_forward
- Receptacles that provide power for a spa or hot tub shall be ________. Select one: a. AFCI-protected b. twist-lock c. ground-fault circuit-interrupter protected d. both B and Carrow_forwardoleg is using a multimeter to test the circuit branch he's just installed. after turning off the current to the circuit at the service panel, he'll first attach one probe to the ----- in the end of the run. a. black wire b. box c. white wire d. ground wire Please answer with explanation In typing formatarrow_forwardConductors other than service conductors must not be installed in the same____. A. Service raceway B. Service cable C. Enclosure D. A or Barrow_forward
- What is the 277-volt–single-phase–60-hertz system used for? Select one: A. RECEPTACLE BRANCH CIRCUITS B. LIGHTING BRANCH CIRCUITS C. MOTOR BRANCH CIRCUITS D. RESIDENTIAL BRANCH CIRCUITSarrow_forwardof p o How many conductors enter the ceiling fan/light wall box? Switch ond out let boxes s tirst 10. What type and size of box may be used for the ceiling fan/light wall box?. 11. What type of covers are used with 4 in. square outlet boxes? 12. a. Does the circuit for the Master Bedroom have a grounded circuit conductor? b. Does it have an equipment grounding conductor? c. Explain the difference between a "grounded" conductor and an "equipment grounding" conductor. 13. Approximately how many feet (meters) of 2-wire cable and 3-wire cable are needed to ft complete the circuit supplying the Master Bedroom? Two-wire cable: ft (- m). m). Three-wire cable: 14. If the cable is laid in notches in the corner studs, what protection for the cable must be provided? 15. How high are the receptacles mounted above the finished floor in this bedroom? 16. Approximately how far from the bedroom door is the first receptacle mounted? (See the plans.) 17. What is the distance from the finished floor to…arrow_forwarda. Is it permissible to install low-voltage Class 2 systems in the same raceway or enclosure with light and proper wiring? ______ b. Which Code section covers this? ______arrow_forward
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