CAN/CSA C227.4 - Three-phased pad-mounted distribution transformers with separable insulated high-voltage connectors
This document provides an overview of the requirements of Welding Requirements CSA-C227.4 – Three-phase, pad-mounted distribution transformers with separable insulated high-voltage connectors with respect to welding. It is designed to specify the requirements for three-phase, pad-mounted distribution transformers, consisting of a transformer and a cable entrance compartment with provision for separable insulated high-voltage connectors, intended primarily for operation by electric utilities on three-phase underground distribution systems having primary voltages.
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Reference Guides
CSA W47.1 S Classification Handbook
This handbook is designed to prepare industry professionals for welder qualification testing for groove fillet test assemblies.