NEC Article Guide

Master Article 300 - General Wiring Methods

Article 300 covers general requirements for all wiring methods.

Key Rules and Sections

Code Rule

300.4: Protection against physical damage.

Code Rule

300.5: Underground installations.

Code Rule

300.11: Securing and supporting.

Code Rule

300.14: Length of free conductors.

Code Rule

300.15: Boxes or conduit bodies.

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