NEC Article Guide

Master Article 230 - Services

Article 230 governs service conductors, service disconnect location, and service equipment rules for delivering utility power into a building safely.

Key Rules and Sections

Code Rule

230.40: Number of service-entrance conductor sets.

Code Rule

230.50: Protection requirements for service-entrance conductors.

Code Rule

230.70: Service disconnect location requirements.

Code Rule

230.71: Maximum number of service disconnects.

Code Rule

230.95: Ground-fault protection requirements in applicable systems.

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