, 1|P a ge
wx wx wx wx wx wx
SOLUTIONS MANUAL AND ANSWER GUIDE TO THE NA wx wx wx wx wx wx wx
TIONAL ELECTRICAL CODE 9TH EDITION BY CHARL wx wx wx wx wx wx
ES R. MILLER CHAPTER 1-
wx wx wx wx
19 FULL MANUAL WITH VERIFIED SOLUTIONS
wx wx wx wx wx
National Electrical Code 1 Competency Tests Sectio
wx wx wx wx wx wx
n 1 Foundational Provisions
wx wx wx
Unit 1 Introduction to the National Electrical Code Unit 2 Definitions Un
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it 3 Boxes and Enclosures Unit 4 Cables
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Unit 5 Raceways and Conductors
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Section 2 One- wx wx
Family Dwellings Unit 6 General Provisions Unit 7 Specific Provisions Unit 8 Load Calculati
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ons
Unit 9 Service and Electrical Equipment
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Section 3 Multifamily Dwellings
wx wx wx
Unit 10 Comprehensive Provisions Unit 11 Load Calculations Un
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it 12 General Provisions
wx wx wx
Section 4 Commercial Locations
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Unit 13 Non- wx wx
dwelling Load Calculations Unit 14 Services, Feeders, and Equipment Unit 15 Hazardous (Cl
wx wx wx wx wx wx wx wx wx wx wx wx
assified) Locations wx
Section 5 Special Occupancies, Areas, and Equipment Unit 16 Health Care
wx wx wx wx wx wx wx wx wx wx
Unit 17 Industrial Locations Unit 18 Special Occupancies Unit 19 Specific Equipment
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Extra Study Questionswx wx
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wx wx wx wx wx wx
Unit 1 Introduction to the National Electrical Code Unit 2 Definitions
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1. The National Fire Protection Association has acted as sponsor of the National Electrica
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l Code since
wx wx .
1911 (Pg.2) wx
2. Informative Annex wx
provides a list of product safety standards used for product listin wx wx wx wx wx wx wx wx wx wx
g where that listing is required by the NEC.
wx wx wx wx wx wx wx wx
Informative Annex A (NEC 70-710) wx wx wx wx
3. Which chapters in the NEC apply generally to all installations?
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Chapter 1 through 4 apply to all electrical installations (Pg.5)
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4. Every three years, the National Electrical code is revised, but the Code has only been on
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a three-year cycle since
wx wx wx w x .
1975 (Pg.2) wx
5. The purpose of the National Electrical Code is the practical safeguarding of
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form hazards arising from the use of electricity.
wx wx wx wx wx wx wx
Persons and Property (Pg.2) wx wx wx
6. The original Code document was developed in
wx wx wx wx wx wx
as a result of the united efforts of wx wx wx wx wx wx wx
wx various insurance, electrical, architectural, and allied interests.
wx wx wx wx wx wx
1897 (Pg.2) wx
7. Informative annexes are not part of the requirements of the NEC but are included for
wx wx wx wx wx wx wx wx wx wx wx wx wx wx
only.
Informational Notes (Pg.5) wx wx
8. What city was home to the first central-
wx wx wx wx wx wx wx
station electric generating plant developed by Thomas A. Edison?
wx wx wx wx wx wx wx wx
New York City (Pg. 2)
wx wx wx wx
, 3|P a ge
wx wx wx wx wx wx
9. Chapter w x consists of tables that are applicable as referenced.
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9 (Pg.5)
wx
10. In the NEC, UL is the abbreviation for .
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Underwriters Laboratories, Inc. (Pg.7) wx wx wx
11. Listed or labeled equipment shall be installed and used in accordance with any
wx wx wx wx wx wx wx wx wx wx wx wx
included in the listing or labeling. wx wx wx wx wx
Instructions (Pg. 6) (NEC 110.3 (B)). wx wx wx wx wx
Unit 2 wx
1. An
branch circuit supplies two or more receptacles or outlets for lighting an
wx wx wx wx wx wx wx wx wx wx wx
d appliances.
wx
General Purpose (Pg. 16) wx wx wx
2.
is the largest amount of current capable of being delivered at a point on the electrica
wx wx wx wx wx wx wx wx wx wx wx wx wx wx wx
l system during a shout-circuit condition.
wx wx wx wx wx
Available fault current (Pg.20) wx wx wx
3. An
branch circuit consists of two or more ungrounded conductors having a pote
wx wx wx wx wx wx wx wx wx wx wx
ntial difference between them, and a grounded conductor having equal potential differ
wx wx wx wx wx wx wx wx wx wx wx
ence between it and each ungrounded conductor of the circuit and that is connected to t
wx wx wx wx wx wx wx wx wx wx wx wx wx wx wx
he neutral or grounded conductor of the system.
wx wx wx wx wx wx wx
Multiwire (Pg.16) wx
4. An intermittent operation in which load conditions are regularly recurrent is the definitio
wx wx wx wx wx wx wx wx wx wx wx wx
n of .
wx wx
Periodic Duty (NEC 70-34) wx wx wx
5. The is the connection between the grounded- wx wx wx wx wx
circuit conductor and the equipment grounding conductor at the service.
wx wx wx wx wx wx wx wx wx
wx wx wx wx wx wx
SOLUTIONS MANUAL AND ANSWER GUIDE TO THE NA wx wx wx wx wx wx wx
TIONAL ELECTRICAL CODE 9TH EDITION BY CHARL wx wx wx wx wx wx
ES R. MILLER CHAPTER 1-
wx wx wx wx
19 FULL MANUAL WITH VERIFIED SOLUTIONS
wx wx wx wx wx
National Electrical Code 1 Competency Tests Sectio
wx wx wx wx wx wx
n 1 Foundational Provisions
wx wx wx
Unit 1 Introduction to the National Electrical Code Unit 2 Definitions Un
wx wx wx wx wx wx wx wx wx wx wx
it 3 Boxes and Enclosures Unit 4 Cables
wx wx wx wx wx wx wx
Unit 5 Raceways and Conductors
wx wx wx wx
Section 2 One- wx wx
Family Dwellings Unit 6 General Provisions Unit 7 Specific Provisions Unit 8 Load Calculati
wx wx wx wx wx wx wx wx wx wx wx wx wx
ons
Unit 9 Service and Electrical Equipment
wx wx wx wx wx
Section 3 Multifamily Dwellings
wx wx wx
Unit 10 Comprehensive Provisions Unit 11 Load Calculations Un
wx wx wx wx wx wx wx wx
it 12 General Provisions
wx wx wx
Section 4 Commercial Locations
wx wx wx
Unit 13 Non- wx wx
dwelling Load Calculations Unit 14 Services, Feeders, and Equipment Unit 15 Hazardous (Cl
wx wx wx wx wx wx wx wx wx wx wx wx
assified) Locations wx
Section 5 Special Occupancies, Areas, and Equipment Unit 16 Health Care
wx wx wx wx wx wx wx wx wx wx
Unit 17 Industrial Locations Unit 18 Special Occupancies Unit 19 Specific Equipment
wx wx wx wx wx wx wx wx wx wx wx
Extra Study Questionswx wx
, 2|P a ge
wx wx wx wx wx wx
Unit 1 Introduction to the National Electrical Code Unit 2 Definitions
wx wx wx wx wx wx wx wx wx wx
1. The National Fire Protection Association has acted as sponsor of the National Electrica
wx wx wx wx wx wx wx wx wx wx wx wx
l Code since
wx wx .
1911 (Pg.2) wx
2. Informative Annex wx
provides a list of product safety standards used for product listin wx wx wx wx wx wx wx wx wx wx
g where that listing is required by the NEC.
wx wx wx wx wx wx wx wx
Informative Annex A (NEC 70-710) wx wx wx wx
3. Which chapters in the NEC apply generally to all installations?
wx wx wx wx wx wx wx wx wx
Chapter 1 through 4 apply to all electrical installations (Pg.5)
wx wx wx wx wx wx wx wx wx
4. Every three years, the National Electrical code is revised, but the Code has only been on
wx wx wx wx wx wx wx wx wx wx wx wx wx wx wx wx
a three-year cycle since
wx wx wx w x .
1975 (Pg.2) wx
5. The purpose of the National Electrical Code is the practical safeguarding of
wx wx wx wx wx wx wx wx wx wx wx
form hazards arising from the use of electricity.
wx wx wx wx wx wx wx
Persons and Property (Pg.2) wx wx wx
6. The original Code document was developed in
wx wx wx wx wx wx
as a result of the united efforts of wx wx wx wx wx wx wx
wx various insurance, electrical, architectural, and allied interests.
wx wx wx wx wx wx
1897 (Pg.2) wx
7. Informative annexes are not part of the requirements of the NEC but are included for
wx wx wx wx wx wx wx wx wx wx wx wx wx wx
only.
Informational Notes (Pg.5) wx wx
8. What city was home to the first central-
wx wx wx wx wx wx wx
station electric generating plant developed by Thomas A. Edison?
wx wx wx wx wx wx wx wx
New York City (Pg. 2)
wx wx wx wx
, 3|P a ge
wx wx wx wx wx wx
9. Chapter w x consists of tables that are applicable as referenced.
wx wx wx wx wx wx wx
9 (Pg.5)
wx
10. In the NEC, UL is the abbreviation for .
wx wx wx wx wx wx wx
Underwriters Laboratories, Inc. (Pg.7) wx wx wx
11. Listed or labeled equipment shall be installed and used in accordance with any
wx wx wx wx wx wx wx wx wx wx wx wx
included in the listing or labeling. wx wx wx wx wx
Instructions (Pg. 6) (NEC 110.3 (B)). wx wx wx wx wx
Unit 2 wx
1. An
branch circuit supplies two or more receptacles or outlets for lighting an
wx wx wx wx wx wx wx wx wx wx wx
d appliances.
wx
General Purpose (Pg. 16) wx wx wx
2.
is the largest amount of current capable of being delivered at a point on the electrica
wx wx wx wx wx wx wx wx wx wx wx wx wx wx wx
l system during a shout-circuit condition.
wx wx wx wx wx
Available fault current (Pg.20) wx wx wx
3. An
branch circuit consists of two or more ungrounded conductors having a pote
wx wx wx wx wx wx wx wx wx wx wx
ntial difference between them, and a grounded conductor having equal potential differ
wx wx wx wx wx wx wx wx wx wx wx
ence between it and each ungrounded conductor of the circuit and that is connected to t
wx wx wx wx wx wx wx wx wx wx wx wx wx wx wx
he neutral or grounded conductor of the system.
wx wx wx wx wx wx wx
Multiwire (Pg.16) wx
4. An intermittent operation in which load conditions are regularly recurrent is the definitio
wx wx wx wx wx wx wx wx wx wx wx wx
n of .
wx wx
Periodic Duty (NEC 70-34) wx wx wx
5. The is the connection between the grounded- wx wx wx wx wx
circuit conductor and the equipment grounding conductor at the service.
wx wx wx wx wx wx wx wx wx