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We have wired a 3phase 480v Delta to 240 4w delta transformer backfed to up the voltage to 480v from a 3ph 208v highleg panel with nothing connected to X4.
When we turned on the 3 pole beaker it tripped. There are no shorts on the conductors and the transformer ohm reading were consistent
Any ideas what the problem can be?
When we turned on the 3 pole beaker it tripped. There are no shorts on the conductors and the transformer ohm reading were consistent
Any ideas what the problem can be?