Understanding System Voltages and Reverse Feeding Transformers | Mike Holt's NEC Training #nec
0:53
YouTubeMikeHoltNEC
Understanding System Voltages and Reverse Feeding Transformers | Mike Holt's NEC Training #nec
Mike Holt discusses a wide Delta configuration where a transformer originally set up as Delta Y to supply 480V down to 120V and 208V is being considered for reverse feeding. He explains that while it is not the best practice to backfeed a transformer, it can be done if the transformer is marked suitable for reverse feeding and the instructions ...
73K viewsApr 17, 2024
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