Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 1, Problem 19R
Does compliance with the NEC always result in an
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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
___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.
______________1. It checks the ability or range of operations of the electronic components that be run in the system.
______________2. It assesses the ability of the electronic components to exchange information or can access data without any restriction.
______________3. It evaluates the ability of the part to meet the functional, mechanical, and electrical performance requirements.
Chapter 1 Solutions
Electrical Wiring Residential
Ch. 1 - What is the purpose of specifications?Ch. 1 - Refer to the specifications in the back of this...Ch. 1 - What is done to prevent a plan from becoming...Ch. 1 - Name three requirements contained in the...Ch. 1 - Prob. 5RCh. 1 - What phrase is used when a substitution is...Ch. 1 - What is the purpose of an electrical symbol?...Ch. 1 - Prob. 8RCh. 1 - Prob. 9RCh. 1 - What three parties must be satisfied with the...
Ch. 1 - Prob. 12RCh. 1 - Prob. 13RCh. 1 - Does the NEC provide minimum or maximum standards?...Ch. 1 - What do the letters UL signify?Ch. 1 - What section of the NEC states that all listed or...Ch. 1 - Prob. 17RCh. 1 - Prob. 18RCh. 1 - Does compliance with the NEC always result in an...Ch. 1 - Name two nationally recognized testing...Ch. 1 - Prob. 21RCh. 1 - Prob. 23RCh. 1 - A junction box on a piece of European equipment is...Ch. 1 - Prob. 25RCh. 1 - You will learn in Chapter 3 that residential...Ch. 1 - Prob. 27RCh. 1 - What can you do to reduce or eliminate the...Ch. 1 - What is the NEC definition of a qualified person?Ch. 1 - Are low-voltage systems totally safe? Explain.Ch. 1 - Prob. 32RCh. 1 - What do the letters PPE stand for?...Ch. 1 - Prob. 34RCh. 1 - Where might you obtain information about...Ch. 1 - Prob. 36R
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- Calculate the assigned values in the circuits below. E2 = ________ E3 = _________ E6 = _________ E9 = _________ E11 = ________ E13 = _________ RT = ________ R6 = __________ IT = _________ I5 = __________ I7 = _________ I10 = __________ PT = ________arrow_forward1)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_forward6. According to the NEC, allowance for the future expansion of installations isA. an exception.B. in everyone's best interest.C. defined.D. a requirement.arrow_forward
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