Questions and Answers
What word or phrase best describes the NEC requirements for the installation of electrical systems?
Minimum
All of the following groups are usually represented on the Code Making Panels except _____
Government Lobbyists
Mandatory and permissive rules are defined in?
NEC Article 110
The general design and installation of electrical systems is covered in _____
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Devices such as radios, televisions, and telephones are covered in _____
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Examples of branch circuit calculations can be found in?
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NEC Article 110 covers?
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Cable trays are covered in?
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Where in the NEC would you find information on conductors for general wiring?
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What is the range in the size of conductors that must be stranded when installing within raceways?
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Where in the NEC would you find information on switchboards and panelboards?
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What is the minimum clearance between the top of the switchboard and a combustible ceiling?
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Installation procedures for luminaires are provided in?
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Theatres are covered in?
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NEC Article 600 covers?
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_____ are the main topics of the NEC.
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Nine _____ form the broad structure of the NEC.
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Certain articles in the NEC are subdivided into numbered _____
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Parts and articles are subdivided into numbered _____.
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Although they follow the applicable sections of the NEC, _____ allows alternative methods to be used under specific conditions.
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A(n) ____________ explanatory material that follows specific NEC sections.
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The ____ is an organization that maintains and improves the quality and reliability of electrical products.
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The ____ publishes the NEC; it also develops standards to minimize the possibility of fire.
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_______ are organizations that are responsible for testing and certifying electrical equipment.
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The NEC is made up of _____ chapters.
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The NEC provides the _____ requirements for the installation of electrical systems.
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NEC Chapter 2 covers?
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Which of the following covers electric motors?
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NEC Article 520 covers _____
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To size grounding conductors, refer to?
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Wiring methods are covered in?
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Gas Stations are covered in?
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Emergency Systems are covered in?
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Fire alarm systems are covered in?
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Definitions are covered in?
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Metric units of measurement are covered in?
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X-ray equipment is covered in?
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___ contains tables that specify the properties of conductors.
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Electric signs are covered in _____
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The NEC establishes the minimum requirements for electrical installations.
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The NEC applies only to new construction.
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The NEC is updated every _____ years.
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NEC Article 90 contains _____
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Any text printed in italics is _____
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Non-mandatory information can be found in _____
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The NEC article that provides rules for raceways, cabinets, and boxes is found in NEC Chapter _____
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NEC Chapter 5 covers _____
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NEC Chapter 8 covers _____
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The installation of welding equipment is covered in NEC Chapter _____
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The function of a Nationally Recognized Testing Laboratory is to develop standards for the manufacture of electrical equipment.
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Study Notes
NEC Requirements and Structure
- NEC (National Electrical Code) outlines minimum installation requirements for electrical systems.
- Group representation on Code Making Panels excludes government lobbyists.
- Mandatory and permissive rules are defined in NEC Article 110.
- General design and installation criteria are detailed in NEC Chapters 1, 2, 3, and 4.
- Branch circuit calculations can be found in NEC Informative Annex D.
Key Articles and Specific Areas
- NEC Article 110 specifies general electrical installation requirements.
- Cable trays and their requirements are addressed in NEC Article 368.
- Information on conductors for general wiring is provided in NEC Article 310.
- Switchboards and panelboards details are found in NEC Article 408.
- Minimum clearance between the top of a switchboard and combustible ceiling is 3 feet (36 inches).
- Installation procedures for luminaires are specified in NEC Article 410.
- Theatres and their electrical requirements are covered in NEC Article 520.
- Electric signs and outline lighting fall under NEC Article 600.
NEC Organization and Explanatory Materials
- Main topics of the NEC are categorized into articles.
- The NEC consists of nine chapters forming its broad structure.
- Articles within the NEC are subdivided into numbered parts, which then break down into sections.
- Exceptions in the NEC allow for alternative methods under specific conditions.
- Informational notes provide additional explanatory material following specific NEC sections.
Regulatory and Testing Organizations
- N.E.M.A. (National Electrical Manufacturers Association) maintains electrical product quality and reliability.
- N.F.P.A. (National Fire Protection Association) publishes the NEC and develops fire safety standards.
- N.R.T.L. (Nationally Recognized Testing Laboratories) is responsible for testing and certifying electrical equipment.
Chapter-specific Topics
- Complete requirements for electrical system installation are laid out in the NEC.
- NEC Chapter 2 covers wiring and protection, while NEC Chapter 6 addresses emergency systems.
- Electric motors are specifically mentioned in NEC Article 430.
- Communication system wiring is detailed in NEC Chapter 8.
- Gas stations are discussed in NEC Chapter 5, and fire alarm systems in Chapter 7.
Additional Information
- Definitions of electrical terms are located in NEC Article 100.
- Metric measurement standards are found in NEC Article 90.9.
- X-ray equipment regulations appear in NEC Article 660.
- NEC Chapter 9 contains tables specifying conductor properties.
Code Updates and Miscellaneous
- The NEC is updated every three years.
- Italicized text indicates exceptions within the NEC.
- Non-mandatory information is located in an informational annex.
- Text related to raceways, cabinets, and boxes is found in NEC Chapter 3.
- Special occupancy areas are described in NEC Chapter 5.
- The role of a Nationally Recognized Testing Laboratory is not to develop manufacturing standards but to ensure safety and reliability in electrical equipment.
Studying That Suits You
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Description
Test your knowledge on the National Electrical Code (NEC) requirements with these flashcards from Module Five. Explore key concepts and definitions essential for the installation of electrical systems. Perfect for students and professionals looking to reinforce their understanding of NEC regulations.
