NEC Article Guide

Master Article 408 - Switchboards and Panelboards

Article 408 covers switchboards, switchgear, and panelboards.

Key Rules and Sections

Code Rule

408.3: Support and arrangement.

Code Rule

408.4: Circuit directory.

Code Rule

408.15: Number of overcurrent devices.

Code Rule

408.36: Overcurrent protection.

Code Rule

408.40: Grounding of panelboards.

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