EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Textbook Question
Chapter 23.1, Problem 1R
- a. What is the allowance in watts made for electric heat in this residence? ________
- b. What is the value in amperes of this load? _______________________________
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Chapter 23 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 23.1 - a. What is the allowance in watts made for...Ch. 23.1 - What are some of the advantages of electric...Ch. 23.1 - List the different types of electric heating...Ch. 23.1 - There are two basic voltage classifications for...Ch. 23.1 - What device is required when the total connected...Ch. 23.1 - Prob. 6RCh. 23.1 - Prob. 7RCh. 23.1 - A certain type of control connects electric...Ch. 23.1 - What advantages does a 240-volt heating unit have...Ch. 23.1 - The white wire of a cable may be used to connect...
Ch. 23.1 - Receptacle outlets furnished as part of a...Ch. 23.1 - The branch circuit supplying a fixed electric...Ch. 23.1 - Prob. 13RCh. 23.1 - For ballpark calculations, the wattage output of a...Ch. 23.1 - A central electric furnace heating system is...Ch. 23.1 - What section of the Code provides the correct...Ch. 23.1 - Electric heating cable embedded in plaster, or...Ch. 23.2 - Prob. 1RCh. 23.2 - Prob. 2RCh. 23.2 - Prob. 3RCh. 23.2 - a. Must an air conditioner installed in a window...Ch. 23.2 - Prob. 5RCh. 23.2 - What is the Code requirement for receptacles...Ch. 23.2 - Prob. 7RCh. 23.2 - When the nameplate on an air-conditioning unit...Ch. 23.2 - Prob. 9RCh. 23.2 - Match the following terms with the statement that...Ch. 23.2 - The disconnect for an air conditioner or heat pump...
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- Calculate the watts loss and voltage drop in each conductor in the following circuit. Show calculations. Obtain resistance data from Table 8, Chapter 9, of the NEC.arrow_forwardWhat is the calculated load when fixed electric heating is used in a residence? (220.51)arrow_forwardTrue or False If a metal rack is properly grounded the equipment that is mounted on the rack and in good electrical contact with it is considered to be groundedarrow_forward
- Can two 25,000-Btu room air conditioners be wired into the same electricalcircuit protected by a 25-ampere fuse? Each air conditioner is rated at 3,050watts for a 230-volt circuit. (This rating is while the air conditioner is runningsteadily.)arrow_forwardWhere Type MI cable terminates, a seal shall be provided immediately after stripping to prevent the entrance of _____ into the insulation Select one: A. MOISTURE B. NONE OF THE ABOVE C. INSECTS D. ELECTRONSarrow_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
- 8. What is the maximum load to be connected to a single receptacle rated at 20A?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. What is the minimum power demand allowed by the Code for an electric dryer if no actual rating is available for the purpose of calculating feeder and service-entrance conductor sizing? ______________ b. What is the current draw? _____________________arrow_forward
- Each 20-ampere small-appliance branch-circuit load demand shall be determined at _____. (Circle the correct answer.) a. 2400 volt-amperes b. 1500 volt-amperes c. 1920 volt-amperesarrow_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_forwardThe LRT trolley system 10 miles ling is fed by two substations that generate 600 volts and 500 volts, respectively. The resistance of the trolley wire and the rail return is 0.3 ohm per mile. If the car is located 4 miles from the 600-volt station draws 200 A from the line. How much is the current supplied by each station?arrow_forward
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What is an electric furnace and how does it work?; Author: Fire & Ice Heating and Air Conditioning Inc;https://www.youtube.com/watch?v=wjAWecPGi0M;License: Standard Youtube License