Discuss 3 phase of 2 phase supply in the UK Electrical Forum area at ElectriciansForums.net

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Split phase supply L1+L2 on one phase and L3 on another, EB has 3 phase 4 wire incoming but they’ve been out to check and said it’s split phase, what would you put on certificate? 3 phase 4 wire or 2 phase 3 wire?
 

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