Popular 16 Electrical Wiring Residential 19Th Edition Chapter 3 Answers Galleries
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Electrical Wiring Residential 19Th Edition Chapter 3 Answers - A.) How high above the finished floor within the living room are receptacles located? 12in, (pg. Forty nine) outdoor receptacle shops on this residing are placed 18 in. Above grade. (Pg. 49) in the spaces supplied, draw the correct symbol for every of the descriptions listed in (a) via (r).??no longer included within the studying task the front fringe of a field installed in a combustible wall ought to be flush with the finished floor. (Pg. 35) list the most wide variety of 12 awg conductors accredited in a: (pg. 44—desk 314.16(a) a.) 4 in. X 1½ in. Octagon field. ----------------6 b.) Four-11/sixteen in. X 1½ in. Square box.-----------Thirteen c.) Three in. X 2 in. X three½ in. Device container. ----------8.
An architectural plan display the location and kind of electric tool required. (Pg.-20) what is an outlet? An get admission to point for an electrical tool along with a receptacle outlet, transfer outlet, or lighting fixtures outlet. (Pg.-20) match the subsequent switch sorts with the proper image. (Pg. 24) a) unmarried-pole sp b) three-way s4 c) 4-way s d) single-pole with pilot s3 the plans show dashed strains walking among switches and diverse stores. What do these dashed traces suggest? The dashed lines method those switches manipulate a part of the retailers that they visit. (Pg.-24) why are dashed strains generally curved? The curved lines will no longer be fallacious for foundation or wall traces. (Pg. 24) a. What are junctions bins used for? Junction bins are used as assist for gadgets and lights as well as safety wires and terminals. The bins will include the arch blast that would arise all through a fault. (Pg. 29) b. Are junction containers usually utilized in wiring the primary ground? Give an explanation for: when you have electric stores, appliance attachment or simply the joining of wires collectively you must have a junction field that ought to be available, whether or not it's far on the first floor or any in which else. C. Are junction packing containers usually used to cord uncovered portions of the basement? Explain: sure due to the fact uncovered part of the wiring under 8 ft are required to be blanketed from bodily damage and packing containers are required any wherein you've got wires spliced. 7.) How are general sectional switch (tool) boxes set up? Nec 314.20 states that containers have to be set up in order that they'll be set returned now not extra than 1/4in. (6mm) in noncombustible walls or ceilings and flush when mounted in combustible. (Pg.-30) a. What is an offset bar hanger? A bar this is offset to permit the box to set out a determined quantity, the hanger additionally allows the field to be placed away from the stud (pg.-27) b. What sort of bins can be used with offset bar hangers? Containers which are designed for use with the rated hanger, which means that that they ought to be able to be connected to the offset bar hanger. The book shows a spherical fixture field but most any sort of metallic field might be used, however the set again may not be correct or might also need to be adjusted for. (Pg.-27).