National Electrical Code Module Quiz

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.