Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 30, Problem 9R
To determine
Mention the closest distance at which a receptacle can be installed from the inside wall of a pool.
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If a recessed luminary without an integral junction boxes installed what extra wiring must be provided
QUESTION 9
When a ground wire is connected to an interior gas piping system and the underground portion of the gas pipe into the building is plastic, which of the following is (or are) true?
a
A.This would be approved by code as the gas pipe is only being bonded to the electrical system.
b
B.This installation would be approved by code, as the gas pipe is not a grounding electrode.
c
C.Both A and B
d
D.Neither A nor B
In a bathroom, at least one receptacle must be installed within ____ inches of the outside of the basin.
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- Electrical Engineering Give correct answer UPSs measured in ____________ and ______________. __________________ are what your system uses and ____________________________ are what UPS can deliver in a perfect world.arrow_forwardDetermine the proper size of copper wire conductor necessary to apply a 750 W electric motor that is located 100 feet from the panel board. The voltage at the panelboard is 120 volts. The permissible line drop is 1.2 volts. (for your final answer: no decimal places and unit to have one common answer)arrow_forwardQuestion 17 The electrode and circuit must provide a flow path to the earth with less than of resistance. 5 10 25 30 Question 18 A(n) is a permanent conductor placed across a water meter to provide a continuous flow path for ground current. shunt bare conductor electrode bonding conductorarrow_forward
- ___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.arrow_forwardoleg 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 device used in kitchen serving hotels dining rooms club houses and restaurants is__________. a.) Grease basin b.) Yard basin c.) Garage basin d.) Oil catch basinarrow_forward
- 1)The NEC Style Manual indicates that if a term in the NEC appears in more than two articles, it qualifies for a definition in which of the following. a) The articles where the term appears b) Article 90 c) Article 100 d) Table of Contents 2)Definitions of terms related to grounding and bonding and used only in Article 250 are located in ________.a) Article 100 b) Article 200 c) Chapter 9 d) Section 250.2 3)As a general rule, when installing ground rod electrodes, two must be installed always unless a single ground rod provides not more than 25 ohms’ resistance to ground. a) True b) Falsearrow_forwardf.1. Since the footing or foundation is generally part of the grounding electrode system, the _______electrode is one of the first electrodes installed.A. metal water pipeB. plateC. concrete-encasedD. ground ringf.2. When you're connecting the grounding electrode conductor to a metal water pipe as it enters a building,the connection must be made within _______ feet of the pipe's entrance to the building.A. 10B. 5C. 15D. 7f.3. Which National Electrical Code table is used for sizing grounding electrode conductors?A. Table 250.102(C)(1)B. Table 250.66C. Table 250.122D. Table 250.118(6)(a)arrow_forwardQUESTION 8 Enclosures that are not over 100 cubic inches in size and which have two conduits supported within three feet on either side of the enclosure and the enclosure does not contain devices or support fixtures shall not be required to have the enclosure supported if the conduits are _____. a installed with locknuts inside and outside enclosure b shoulders of fittings outside and locknuts inside the box c rigid nonmetallic conduits d threaded into hubs identified for the purposearrow_forward
- Refer 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_forwardThe recessed fluorescent luminaires installed in the ceiling of the recreation room of this residence are connected with trade size flexible metal conduit. These flexible connections are commonly referred to as fixture whips. Does the flexible metal conduit provide adequate grounding for the luminaires, or must a separate equipment grounding conductor be installed? ________________arrow_forwardCalculate the assigned values in the circuits below. E2 = ________ E3 = _________ E6 = _________ E9 = _________ E11 = ________ E13 = _________ RT = ________ R6 = __________ IT = _________ I5 = __________ I7 = _________ I10 = __________ PT = ________arrow_forward
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