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