Which NEC article provides the scope, purpose, and general safety rules for electrical installations?

• A. Article 90
• B. Article 100
• C. Article 300
• D. Article 240

Answer: (A)

The main idea being tested is where the NEC defines the overall scope, purpose, and general safety rules for electrical installations. This is addressed in Article 90, which serves as the introduction to the Code and explains what the Code covers and the intent behind its rules, establishing the framework for all other articles.

Definitions are covered in Article 100, so that part focuses on terms rather than the scope or general safety rules. Article 300 deals with wiring methods and materials, and Article 240 covers overcurrent protection. Since the question asks for the portion that sets the broad scope, purpose, and general safety rules for installations, Article 90 is the correct fit.