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by wrycoder
2517 days ago
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> EGC (which is bonded to the box), back to the source (usually a transformer) EGC is bonded to the panel enclosure at the ground bus. The neutral bus is also bonded to the enclosure with a ground screw. So, the EGC is directly connected to the neutral bus and a fault between hot and a bonded enclosure is routed via the EGC to neutral, tripping the breaker. |
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