Dual LV supplies - Wiring and the Regulations BS 7671 - IET EngX - IET EngX
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Dual LV supplies

David Boulding

I have two feeds to an LV panel from two separate transformers with a bus coupler open in normal operation that closes in the event of a loss of one of the supplies. Is there a requirement for both supplies to be segregated from each other or could they be installed on the same containment with no segregation?

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