Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 4, Problem 18R
To determine
Mention the required protection that must be provided when a cable is installed in a notched stud or joist with a distance less than
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Coaxial cable insulator is made up of
a.
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b.
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d.
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Which of the following property the insulating material should possess to resist the flow of current in the cable?
O Good Mechanical properties
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O High dielectric strength properties
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In terminating the coaxial cable, if the present procedure is to cut part of the braided shield and insulator using
a cutter, the next procedure is to
check if its the correct length of the connector
remove the outer jacket using a cable stripper
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Chapter 4 Solutions
Electrical Wiring Residential
Ch. 4 - The largest size solid conductor generally...Ch. 4 - What is the minimum branch-circuit wire size that...Ch. 4 - What exceptions, if any, are there to the answer...Ch. 4 - What determines the ampacity of a wire?Ch. 4 - What unit of measurement is used for the diameter...Ch. 4 - What unit of measurement is used for the...Ch. 4 - What is the voltage rating of the conductors in...Ch. 4 - Indicate the allowable ampacity of the following...Ch. 4 - Prob. 9RCh. 4 - What are the colors of the conductors in...
Ch. 4 - For nonmetallic-sheathed cable, may the...Ch. 4 - Prob. 12RCh. 4 - Under what condition may nonmetallic-sheathed...Ch. 4 - a. What is the maximum distance permitted between...Ch. 4 - Prob. 15RCh. 4 - Prob. 16RCh. 4 - Prob. 17RCh. 4 - Prob. 18RCh. 4 - Prob. 19RCh. 4 - Circle the correct answer to the following...Ch. 4 - When running Type NM cable through a bored hole in...Ch. 4 - Where is the main service-entrance panel located...Ch. 4 - Is it permitted to use flexible metal conduit over...Ch. 4 - Liquidtight flexible metal conduit may serve as a...Ch. 4 - It is permissible for an electrician to connect...Ch. 4 - Terminals of switches and receptacles marked...Ch. 4 - Wire connectors marked AL/CU are suitable for use...Ch. 4 - A wire connector bearing no marking or reference...Ch. 4 - When Type NM cable is run through a floor, it must...Ch. 4 - When nonmetallic-sheathed cables are bunched or...Ch. 4 - In diagrams A and B, nonmetallic-sheathed cable is...Ch. 4 - The marking on the outer jacket of a...Ch. 4 - A 120-volt branch circuit supplies a resistive...Ch. 4 - In problem 35, it is desired to keep the voltage...Ch. 4 - Prob. 37RCh. 4 - The allowable ampacity of a 4 AWG THHN from Table...Ch. 4 - If, because of some obstruction in a wall space,...Ch. 4 - The recessed fluorescent luminaires installed in...Ch. 4 - Prob. 41RCh. 4 - What size overcurrent device protects the...Ch. 4 - May the 20-ampere small-appliance branch circuits...Ch. 4 - A 30-ampere branch circuit is installed for an...Ch. 4 - In many areas, metal framing members are being...Ch. 4 - Are set screwtype connectors permitted to be used...Ch. 4 - Most armored cable today has 90C conductors. What...Ch. 4 - If you saw two different types of SE cables, how...Ch. 4 - Circle the correct answer defining the type of...
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- 12 - Due to the effect of the resistance of the cable connected to RTD, two-wire cables up to ……. meters and three-wire cables up to ……... meters are used in standard designs. A) 10-150B) 40-500C) 50-195D) 30-230E) 200-1000arrow_forwardIf 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_forward8. Parallel conductors must be installed in sizes no smaller thanA. 1/0.B. 2/0.C. 750 kcmil.D. 4/0.arrow_forward
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- When running Type NM cable through a bored hole in a stud, the nearest edge of the bored hole shall not be less than ________ in. from the face of the stud unless the cable is protected by a 116 in. (1.6 mm) metal steel plate(s).arrow_forward9. What is the minimum ampacity of the wire that can be used for a 30A branch circuit? a. 30A b. 20A c. 25A d. 40Aarrow_forwardWhat should be the CPC cable size for a line conductor of sizes up to 16mm2 Same size 35 mm2 Half the size of the line conductor 16 mm2arrow_forward
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