Guide-12 Concrete Pad Specification for 3 PH Transformer Installations Up to 300 kVA Guide-12 Concrete Pad Specification for 3 PH Transformer Installations Up to 300 kVA allie.shetlerDEA2018-09-18T13:45:46-05:00September 18th, 2018| Share This Story, Choose Your Platform! FacebookTwitterLinkedInEmail