Code Rule
250.4: General requirements.
NEC Article Guide
Article 250 covers all grounding and bonding requirements.
250.4: General requirements.
250.24: Grounding service equipment.
250.28: Main bonding jumper.
250.52: Grounding electrodes.
250.53: Installation of electrodes.
250.64: GEC installation.
250.104: Bonding of piping.
250.118: EGC types.
250.119: EGC identification.
250.122: EGC sizing.
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