Questions and Answers
What year was the first edition of the NEC published?
1897
According to NEC Article 300, how far from the nearest edge must a hole be drilled in a stud if you are not using a nail plate?
1.25
What do IEC and IEEE collaborate on?
Developing international standards
What do Informative Annexes A - J contain?
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What are MET Laboratories and QAI Laboratories examples of?
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What does NEC Article 100 contain?
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What does NEC Article 200 contain?
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What information does NEC Chapter 8 cover?
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Who can submit proposed changes to the NEC®?
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What are special occupancy areas?
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What does the NEC® safeguard against?
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What section in the NEC® specifies that nonmetallic-sheathed (NM) cable must be supported within 12 inches of every box or cabinet?
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What are the types of rules contained in the NEC®?
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What is the BEST way to submit changes to the NEC®?
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What year did the NFPA begin publishing the NEC®?
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Study Notes
National Electrical Code (NEC) Overview
- First edition of the NEC published in 1897.
- NFPA began publishing the NEC in 1962.
NEC Articles and Sections
- Article 300 specifies hole drilling requirements in studs without nail plates: must be at least 1.25 inches from the nearest edge.
- Article 100 contains a comprehensive list of common definitions relevant to electrical installations.
- Article 200 focuses on grounded conductors, providing guidelines for their use and identification.
- Section 334.30 mandates that nonmetallic-sheathed (NM) cables must be supported within 12 inches of any box or cabinet.
- Chapter 8 addresses communication systems, including telephone and TV receiving equipment.
Testing Laboratories
- MET Laboratories and QAI Laboratories are recognized as Nationally Recognized Testing Laboratories (NRTLs).
Proposed Changes and Submissions
- NEC modifications can be submitted by any individual, emphasizing inclusive participation.
- The recommended method for submitting changes is through the NFPA website's designated form.
Informative Annexes
- Informative Annexes A - J provide additional helpful information that is not mandatory for compliance.
Special Occupancy Areas
- Defined as areas where sparks or heat from electrical equipment pose a risk of explosion or fire.
Code Structure and Rules
- NEC comprises mandatory and permissive rules, establishing minimum installation requirements to protect people and property from electrical hazards.
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Description
Test your knowledge on the National Electrical Code (NEC) with this informative quiz. Covering key facts like the history of NEC and safety regulations, this quiz is essential for anyone studying electrical standards. Explore the critical aspects of NEC and enhance your understanding today!
