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A building is usually allowed only one electrical supply. In this video, I explain why NEC 225.30 limits outside branch circuits and feeders to a single supply, how multiple feeds create dangerous shutdown confusion, and why clear power control matters during emergencies and servicing. Electrical safety depends on certainty — not redundancy. Follow NEC Plug for NEC rules explained simply and correctly. ⚡️🔌#electrician #NEC #neccode #electricity #residentialelectrician
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