On 240/120V-3P-4W systems, the current requirement is that Phase B is the high leg. Should be allowed to select Phase C as the high leg.
On 240/120V-3P-4W systems, the current requirement is that Phase B is the high leg. Should be allowed to select Phase C as the high leg. Should allow 3-pole breaker to start on any phase, should allow 2-pole breaker on any phase. Must prohibit 1-pole breaker on the high leg.
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Rick Miller
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This is completed for DM Electrical 8.3.