EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Textbook Question
Chapter 8, Problem 19R
How many 14 AWG conductors are permitted in a device box that measures 3 in. × 2 in. × 2¾ in.? ___________________
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Assuming all terminals are rated 75 degrees Celsius, you have three (3) #10 AWG THHN/THWN conductors in a conduit and the conduit is run inside an office building, the largest size circuit breaker or fuse permitted to protect this wire?
QUESTION 25
Type TC cable shall not be _____.
a.
installed where it will be exposed to physical damage
b.
all of these
c.
installed outside of a race-way or cable tray system, unless permitted in 336.10(4), 336.10(7), 336.10(9), and 336.10(10)
d.
used where exposed to direct rays of the sun, unless identified as sunlight resistant
Assuming all terminals are rated 75°C and you have Seven #10 AWG THHN/THWN conductors in a conduit and the conduit is run inside an office building, the largest size circuit breaker or fuse permitted to protect these wires is?
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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- A wire connector bearing no marking or reference to AL, CU, or ALR is suitable for use with (copper) (aluminum) conductors only. (Circle the correct answer.)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_forwardAssuming all terminals are rated 75 degrees Celsius, and you have six (6) #10 AWG THHN/THWN conductors in a conduit and the conduit is run inside an office building, What is the largest size circuit breaker or fuse permitted to protect this wire?arrow_forward
- The white wire of a cable may be used to connect to a "hot" ungrounded circuit conductor only if ?arrow_forwardQUESTION 1 Where Type NM cables pass through cut or drilled slots or holes in metal members, the cable shall be protected by _____ which are installed in the opening prior to the installation of the cable and which securely cover all metal edges. a. plates b. listed grommets c. listed bushings d. a or barrow_forwardAssuming that an outlet box for the entry ceiling has a fixture stud but has external cable clamps, what size box could be installed? Show calculations for both metal and nonmetallic boxes. ___________arrow_forward
- Table 314.16(A) of the Code shows the maximum number of conductors permitted in a given size box. In addition to counting the number of conductors that will be in the box, what is the additional volume that must be provided for one or more internal cable clamps?arrow_forwardwhat section of the code prohibits supporting telephone wires from raceways that contain light or power conductors.arrow_forwardWhat section of the Code prohibits supporting telephone wires from raceways that contain light or power conductors? NEC _____arrow_forward
- On what basis is the neutral conductor of a service entrance determined? _____arrow_forwardThe following is a layout of the lighting circuit for the Laundry, Powder Room, Rear Entry Hall, and Attic. Complete the wiring diagram using colored pens or pencils to indicate conductor insulation color. The GFCI receptacle in the Powder Room is not shown in the diagram because it is connected to a separate circuit, B21.arrow_forwardHow and where is the grounding electrode conductor attached to the water pipe?arrow_forward
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