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Questions and Answers
What are the two basic types of rules in the NEC?
Mandatory rules contain the words _____
Shall or Shall not
Permissive rules identify _____
Actions that are allowed but not required
Permissive rules are indicated by the phrases _____
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What do NEC Chapters 1, 2, 3, and 4 present?
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What do NEC Chapters 5, 6, and 7 concern?
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What does NEC Chapter 8 cover?
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What does NEC Chapter 9 contain?
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What word or phrase best describes the NEC requirements for the installation of electrical systems?
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Mandatory and permissive rules are defined in ____
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Examples of branch circuit calculations can be found in _____
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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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Where in the NEC would you find information on switchboards and panelboards?
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Installation procedures for lighting fixtures are provided in ____
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Theaters are covered in_____
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NEC Article 600 covers_____
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How many chapters form the broad structure of the NEC?
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NEC chapter 2 covers _____
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What NEC Article covers electric motors?
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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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X-ray equipment is covered in ____
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Electric signs are covered in ____
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Study Notes
NEC Overview
- Two fundamental types of rules: mandatory and permissive.
- Mandatory rules must be followed, indicated by "shall" or "shall not."
- Permissive rules outline allowable actions, indicated by "shall be permitted" or "shall not be required."
NEC Chapters 1-4
- Chapters 1 to 4 cover rules for the design and installation of electrical systems applicable to all installations.
- Chapter 2 specifically addresses wiring and protection.
- Article 310 provides information on conductors for general wiring.
NEC Chapters 5-7
- Chapters 5, 6, and 7 focus on special occupancies, equipment, and conditions, modifying rules from Chapters 1-4.
- Chapter 5 pertains to gas stations.
- Chapter 7 covers emergency systems and fire alarm systems.
NEC Chapters 8-9
- Chapter 8 deals with communications systems, including telephone and television.
- Chapter 9 contains tables referenced by other chapters in the NEC.
Important Articles
- Article 90 defines mandatory and permissive rules.
- Article 392 discusses cable trays.
- Article 408 contains information on switchboards and panelboards.
- Article 410 outlines installation procedures for lighting fixtures.
- Article 520 addresses requirements for theaters.
- Article 600 covers electric signs and outline lighting.
- Article 430 is relevant for electric motors.
- Article 100 provides definitions in Chapter 1.
- Article 660 specifically covers X-ray equipment.
General Information
- The NEC consists of nine chapters.
- Minimum requirements are established for electrical system installations.
- Examples of branch circuit calculations are found in Informative Annex D.
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Description
Test your knowledge of the National Electrical Code (NEC) with these flashcards. Learn about the different types of rules, including mandatory and permissive regulations, and the specific language used in the NEC. Perfect for students and professionals in the electrical field.
