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SOLUTIONS MANUAL AND ANSWER GUIDE TO THE N CX CX CX CX CX CX CX
ATIONAL ELECTRICAL CODE 9TH EDITION BY CHA CX CX CX CX CX CX
RLES R. MILLER CHAPTER 1- CX CX CX CX
19 FULL MANUAL WITH VERIFIED SOLUTIONS
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National Electrical Code 1 Competency Tests Sec
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tion 1 Foundational Provisions
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Unit 1 Introduction to the National Electrical Code Unit 2 Definition
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s Unit 3 Boxes and Enclosures Unit 4 Cables
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Unit 5 Raceways and Conductors
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Section 2 One- CX CX
Family Dwellings Unit 6 General Provisions Unit 7 Specific Provisions Unit 8 Load Cal
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culations
Unit 9 Service and Electrical Equipment
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Section 3 Multifamily Dwellings
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Unit 10 Comprehensive Provisions Unit 11 Load Calculations
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Unit 12 General Provisions
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Section 4 Commercial Locations
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Unit 13 Non- CX CX
dwelling Load Calculations Unit 14 Services, Feeders, and Equipment Unit 15 Hazardou
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s (Classified) Locations
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Section 5 Special Occupancies, Areas, and Equipment Unit 16 Health Care
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Unit 17 Industrial Locations Unit 18 Special Occupancies Unit 19 Specific Equipment
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Extra Study Questions
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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 Elec
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trical Code since CX CX CX .
1911 (Pg.2) CX
2. Informative Annex CX CX
provides a list of product safety standards used for product li CX CX CX CX CX CX CX CX CX CX
sting where that listing is required by the NEC.
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Informative Annex A (NEC 70-710) CX CX CX CX
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 be
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en on a three-year cycle since
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1975 (Pg.2) CX
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.
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Persons and Property (Pg.2)
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6. The original Code document was developed in
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as a result of the united efforts CX CX CX CX CX CX
CX of various insurance, electrical, architectural, and allied interests.
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1897 (Pg.2) CX
7. Informative annexes are not part of the requirements of the NEC but are included for
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only.
Informational Notes (Pg.5) CX CX
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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New York City (Pg. 2)
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9. Chapter CXC X consists of tables that are applicable as referenced.
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9 (Pg.5)
CX
10. In the NEC, UL is the abbreviation for
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Underwriters Laboratories, Inc. (Pg.7) CX CX CX
11. Listed or labeled equipment shall be installed and used in accordance with any
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included in the listing or labeling.
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Instructions (Pg. 6) (NEC 110.3 (B)).CX CX CX CX CX
Unit 2 CX
1. An CX
branch circuit supplies two or more receptacles or outlets for lightin
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g and appliances.
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General Purpose (Pg. 16) CX CX CX
2.
is the largest amount of current capable of being delivered at a point on the el
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ectrical system during a shout-circuit condition.
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Available fault current (Pg.20)CX CX CX
3. An CX
branch circuit consists of two or more ungrounded conductors having a
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Xpotential difference between them, and a grounded conductor having equal potent
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ial difference between it and each ungrounded conductor of the circuit and that is
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connected to the neutral or grounded conductor of the system.
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Multiwire (Pg.16) CX
4. An intermittent operation in which load conditions are regularly recurrent is the defi
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nition of . CX CX
Periodic Duty (NEC 70-34) CX CX CX
5. The is the connection between the grounded-
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circuit conductor and the equipment grounding conductor at the service.
CX CX CX CX CX CX CX CX CX
CX CX CX CX CX CX
SOLUTIONS MANUAL AND ANSWER GUIDE TO THE N CX CX CX CX CX CX CX
ATIONAL ELECTRICAL CODE 9TH EDITION BY CHA CX CX CX CX CX CX
RLES R. MILLER CHAPTER 1- CX CX CX CX
19 FULL MANUAL WITH VERIFIED SOLUTIONS
CX CX CX CX CX
National Electrical Code 1 Competency Tests Sec
CX CX CX CX CX CX
tion 1 Foundational Provisions
CX CX CX
Unit 1 Introduction to the National Electrical Code Unit 2 Definition
CX CX CX CX CX CX CX CX CX CX
s Unit 3 Boxes and Enclosures Unit 4 Cables
CX CX CX CX CX CX CX CX
Unit 5 Raceways and Conductors
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Section 2 One- CX CX
Family Dwellings Unit 6 General Provisions Unit 7 Specific Provisions Unit 8 Load Cal
CX CX CX CX CX CX CX CX CX CX CX CX CX
culations
Unit 9 Service and Electrical Equipment
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Section 3 Multifamily Dwellings
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Unit 10 Comprehensive Provisions Unit 11 Load Calculations
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Unit 12 General Provisions
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Section 4 Commercial Locations
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Unit 13 Non- CX CX
dwelling Load Calculations Unit 14 Services, Feeders, and Equipment Unit 15 Hazardou
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s (Classified) Locations
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Section 5 Special Occupancies, Areas, and Equipment Unit 16 Health Care
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Unit 17 Industrial Locations Unit 18 Special Occupancies Unit 19 Specific Equipment
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Extra Study Questions
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CX CX CX CX CX CX
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 Elec
CX CX CX CX CX CX CX CX CX CX CX CX
trical Code since CX CX CX .
1911 (Pg.2) CX
2. Informative Annex CX CX
provides a list of product safety standards used for product li CX CX CX CX CX CX CX CX CX CX
sting where that listing is required by the NEC.
CX CX CX CX CX CX CX CX
Informative Annex A (NEC 70-710) CX CX CX CX
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 be
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en on a three-year cycle since
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1975 (Pg.2) CX
5. The purpose of the National Electrical Code is the practical safeguarding of
CX CX CX CX CX CX CX CX CX CX CX
form hazards arising from the use of electricity.
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Persons and Property (Pg.2)
CX CX CX
6. The original Code document was developed in
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as a result of the united efforts CX CX CX CX CX CX
CX of various insurance, electrical, architectural, and allied interests.
CX CX CX CX CX CX CX
1897 (Pg.2) CX
7. Informative annexes are not part of the requirements of the NEC but are included for
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only.
Informational Notes (Pg.5) CX CX
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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New York City (Pg. 2)
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, 3|P a ge
CX CX CX CX CX CX
9. Chapter CXC X consists of tables that are applicable as referenced.
CX CX CX CX CX CX CX
9 (Pg.5)
CX
10. In the NEC, UL is the abbreviation for
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Underwriters Laboratories, Inc. (Pg.7) CX CX CX
11. Listed or labeled equipment shall be installed and used in accordance with any
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included in the listing or labeling.
CX CX CX CX CX
Instructions (Pg. 6) (NEC 110.3 (B)).CX CX CX CX CX
Unit 2 CX
1. An CX
branch circuit supplies two or more receptacles or outlets for lightin
CX CX CX CX CX CX CX CX CX CX
g and appliances.
CX CX
General Purpose (Pg. 16) CX CX CX
2.
is the largest amount of current capable of being delivered at a point on the el
CX CX CX CX CX CX CX CX CX CX CX CX CX CX CX
ectrical system during a shout-circuit condition.
CX CX CX CX CX
Available fault current (Pg.20)CX CX CX
3. An CX
branch circuit consists of two or more ungrounded conductors having a
CX CX CX CX CX CX CX CX CX CX C
Xpotential difference between them, and a grounded conductor having equal potent
CX CX CX CX CX CX CX CX CX CX
ial difference between it and each ungrounded conductor of the circuit and that is
CX CX CX CX CX CX CX CX CX CX CX CX CX CX
connected to the neutral or grounded conductor of the system.
CX CX CX CX CX CX CX CX CX
Multiwire (Pg.16) CX
4. An intermittent operation in which load conditions are regularly recurrent is the defi
CX CX CX CX CX CX CX CX CX CX CX CX
nition of . CX CX
Periodic Duty (NEC 70-34) CX CX CX
5. The is the connection between the grounded-
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circuit conductor and the equipment grounding conductor at the service.
CX CX CX CX CX CX CX CX CX