EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Textbook Question
Chapter 8, Problem 20R
A 4 in. × 1½ in. octagon box has one cable clamp and one luminaire stud. How many 14 AWG conductors are permitted? ____________________
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1. A14/2 type copper used for a general lighting branch circuit. Ampacity:______________ Maximum Fuse or Circuit Breakers Sizes:________________ 2.Three 8 AWG copper conductors with THHN insulation Installed in garage in electrical metallic tubing (EMT). The ambient temperature in the garage can reach as high as 110'F. All termination points for this circuit are rated 60'C. Ampacity:______________ Maximum Fuse or Circuit Breakers Sizes:________________ 3.Four 4 AWG copper conductor with THWN insulation imstalled in EMT in a basement. All termination points are rated at 60'C.
Ampacity:______________ Maximum Fuse or Circuit Breakers Sizes:________________ 4. An 8/3 Type UF copper cable installed underground from a house to a detached garage to feed a 120/240-volt subpanel. All termination points are rated at 60'C.…
a.2. Which of the following statements about grounding electrode conductors is true?A. They restrict the ground connection.B. They eliminate potential differences between conductive objects and the Earth electrode.C. They facilitate operation of overcurrent protective devices.D. They perform bonding between the Earth and grounded conductors.a.3. Main bonding jumpers are required to be made of _______ or other corrosion-resistant material.A. brassB. aluminumC. copperD. copper-clad aluminum
Chapter 8 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 8 - Prob. 1RCh. 8 - Prob. 2RCh. 8 - A good rule to follow is to never load a circuit...Ch. 8 - Prob. 4RCh. 8 - For residential wiring, not less than one...Ch. 8 - For this residence, what are the estimated...Ch. 8 - a. What is the ampere rating of circuit A16?...Ch. 8 - The NEC requires what type of unique protection...Ch. 8 - Prob. 9RCh. 8 - Prob. 10R
Ch. 8 - Prob. 11RCh. 8 - Prob. 12RCh. 8 - Is the switched portion of an outlet mounted...Ch. 8 - The following problems pertain to luminaires in...Ch. 8 - How many switches are in the bedroom circuit, what...Ch. 8 - The following is a layout of the lighting circuit...Ch. 8 - Prob. 17RCh. 8 - The Code uses the terms watts, volt-amperes, kW,...Ch. 8 - How many 14 AWG conductors are permitted in a...Ch. 8 - A 4 in. 1 in. octagon box has one cable clamp and...
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