Solution and Answer Guide Illustrated Guide to the National Electrical Code 9th Edition by Charles R. Miller Chapter 1-50

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TABLE
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BN




Unit 1 Competency Test .............................................................................................................. 1
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UNIT1COMPETENCY TEST BN




1. The National Fire Protection Association has acted as sponsor of the
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National Electrical Code since . bn bn bn



a. NEC®Reference: Page 1 bn bn



b. Answer:1911

2. Informative Annex bn bn



provides a list of productsafetystandards used bn bn bn bn bn bn



for product listing where that listing is required by the NEC.
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a. NEC®Reference:InformativeAnnexA
b. Answer:A

3. Which chapters in the NEC apply generally to all installations?
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a. NEC®Reference: 90.3 bn



b. Answer: Chapters 1, 2, 3, and 4 bn bn bn bn bn bn




4. Every three years, the National Electrical Code is revised, but the Code has only been o
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n a three- year revision cycle since
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a. NEC®Reference: Page 1 bn bn



b. Answer:1975

5. The purpose of the National Electrical Code is the practical safeguarding of
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bn from hazards arising from the use of electricity.
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a. NEC®Reference:personsand property b n



b. Answer:90.2(A)

6. The original Code document was developed
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inas aresult of the bn bn bn bn bn



united efforts of various insurance, electrical, architectural, and allied interests.
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a. NEC®Reference: Page 1 bn bn



b. Answer:1897

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7. Informative annexes are not part of the requirements of the NEC but are included for
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only.
a. NEC®Reference: 90.3 bn



b. Answer: informational purposes bn bn




8. What city was home to the first central-
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station electric generating plant developed by Thomas A. Edison?
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a. NEC®Reference: Page 2 bn bn



b. Answer:New York City bn bn bn




9. Chapter consists of tables that are applicable as referenced.
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a. NEC®Reference: 90.3 bn



b. Answer:9

10. In the NEC, UL is the abbreviation for
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a. NEC®Reference:Annex I, footnote under Table I.3 bn bn bn bn bn



b. Answer: Underwriters Laboratories bn bn




11. Equipment that is listed, labeled, or both, or identified for a use shall be installed
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and used in accordance with any
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included in the listing, labeling, bn bn bn bn bn



or identification.
bn



a. NEC®Reference: 110.3(B) bn



b. Answer:instructions

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Solutionand AnswerGuide b n



MILLER/SANDEFUR, ILLUSTRATED GUIDE BN B N B N TO B N THE B N NEC®, 21E, ©2024, 978035776 BN BN BN




6712; UNIT 2: DEFINITIONS®
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TABLE OF CONTENTS BN BN




Unit 2 Competency Test .............................................................................................................. 1
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UNIT2COMPETENCY TEST BN




1. A(n) bn



branch circuit supplies two or more receptacles or bn bn bn bn bn bn bn bn



outlets for lighting and appliances.
bn bn bn bn



a. NEC®Reference:Article100 (Branch-Circuit,GeneralPurpose) bn



b. Answer:generalpurpose

2.
is the largest amount of current capable of being delivered at a p bn bn bn bn bn bn bn bn bn bn bn bn



oint on the electrical system during a short-circuit condition.
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a. NEC®Reference: Article 100 (Fault Current, Available) bn bn bn bn



b. Answer: Available faultcurrent bn bn




3. A(n) bn



branch circuit consists of two or more ungrounded cond bn bn bn bn bn bn bn bn



uctors having a potential difference between them, and a grounded conductor havi
bn bn bn bn bn bn bn bn bn bn bn



ng equal potential difference between it and each ungrounded conductor of the circ
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uit and that is connected to the neutral or grounded conductor of the system.
bn bn bn bn bn bn bn bn bn bn bn bn bn



a. NEC®Reference: multiwire bn



b. Answer: Article100 (Branch-Circuit,Multiwire) bn bn




4. An intermittent operation in which load conditions are regularly recurrent i
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s the definition of
bn . bn bn bn



a. NEC®Reference:Article100(Duty,Periodic)
b. Answer:periodic duty

5. The bn is theconnection between the grounded- bn bn bn bn



circuit conductor and the equipment grounding conductor at the service.
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a. NEC®Reference: Article 100 (Bonding Jumper, Main) bn bn bn bn



b. Answer: mainbonding jumper bn bn