ELECTRICAL WIRING:RESIDENT.-TEXT (PB)
19th Edition
ISBN: 9781337116213
Author: MULLIN
Publisher: CENGAGE L
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Chapter 9, Problem 26R
To determine
List the locations to install outlet boxes in homes, in order to support a ceiling-suspended (paddle) fan.
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2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in aparking lot. This auxiliary grounding electrode will be connected to theA. lighting pole's electrical service equipment grounding conductor.B. electrical service's grounding electrode conductor.C. next lighting pole's auxiliary grounding electrode.D. lighting pole's neutral conductor.
Grounding Lighting Fixtures. There are specific requirements for grounding lighting fixtures. How must they be grounded and with what size conductors? Be sure and cite the code in your answers.
4.a. The ___ calculated load is rarely placed on an electrical system.A. optionalB. standardC. total
4.b. What's the primary disadvantage of using copper conductors?A. CostB. AvailabilityC. Weight
4.c. You're evaluating the components of a multioccupancy building that won't have an on-site employee. Tobe compliant with the NEC, each occupant will need to have access to their ownA. service-disconnecting means.B. service conductor.C. cable attachment point.D. emergency fire water-pump disconnect.
Chapter 9 Solutions
ELECTRICAL WIRING:RESIDENT.-TEXT (PB)
Ch. 9 - What circuit supplies the Master Bedroom?Ch. 9 - What unique type of electrical protection is...Ch. 9 - Prob. 4RCh. 9 - Prob. 5RCh. 9 - Prob. 6RCh. 9 - What is the estimated load in volt-amperes for the...Ch. 9 - Prob. 8RCh. 9 - How many conductors enter the ceiling fan/light...Ch. 9 - What type and size of box may be used for the...Ch. 9 - Prob. 11R
Ch. 9 - a. Does the circuit for the Master Bedroom have a...Ch. 9 - Approximately how many feet (meters) of 2-wire...Ch. 9 - If the cable is laid in notches in the corner...Ch. 9 - Prob. 15RCh. 9 - Prob. 16RCh. 9 - Prob. 17RCh. 9 - Prob. 18RCh. 9 - Prob. 19RCh. 9 - Show your calculations of how to select a proper...Ch. 9 - Prob. 21RCh. 9 - The following is a layout of the lighting circuit...Ch. 9 - Prob. 23RCh. 9 - Prob. 24RCh. 9 - May a standard electronic dimmer be used to...Ch. 9 - Prob. 26R
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- oleg is using a multimeter to test the circuit branch he's just installed. after turning off the current to the circuit at the service panel, he'll first attach one probe to the ----- in the end of the run. a. black wire b. box c. white wire d. ground wire Please answer with explanation In typing formatarrow_forwardA means shall be provided in each metal box over 100 cubic inches for the connection of an equipment grounding conductor. The means shall be permitted to be ______. a tapped hole the cover screw III. a screw used to mount the box (a.) I only (c.) I & II only (b.) II only (d.) I, II or IIIarrow_forwardFollow the procedures in troubleshooting the defects and faults of an electric fan by filling in the missing steps.Doesn't rotate 1.___________ 2.____________ Check for Open AC cord or wiring3. ___________4.___________ Defective switch/electronic system control 5. _____________Defective module (system control).arrow_forward
- 14. The amount of fault current that bonding connections have to endure is related to which of thefollowing?A. The quality of the fittings that were chosen for the systemB. The amount of available fault current delivered by the system or utilityC. The type of equipment and the location in the systemD. The number of connections that are part of the listed assemblyarrow_forward1. Electric utility installations and equipment under the exclusive control of the utility donot have to conform to the National Electrical Code. However, they do have to conform to the . 2. Assume you are an electrical apprentice. The electrical foreman on the job tells youto connect some equipment grounding conductors to the ground bus that runs alongthe front bottom of a dead-front switchboard. The system is 480Y/277-volt solidlygrounded wye. The building is still under construction, and a number of other tradesare working in the building. The switchboard has already been energized, and it istotally enclosed except for two access covers near the front bottom where the groundbus runs. The ground bus already has the proper number of and size of lugs for theequipment grounding conductors. You ask permission to turn off the main power sothat you can work on connecting the equipment grounding conductors to the groundbus without having to worry about accidentally touching the phase buses…arrow_forwardPlease dont copy from other sourcesarrow_forward
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