This document provides an overview of the requirements of Welding Requirements CSA-C227.3 – Low-profile, single-phase, pad-mounted distribution transformers with separable insulated high-voltage connectors with respect to welding. It is designed to specify the requirements for single-phase, padmounted distribution transformers with separable insulated high-voltage connectors and intended primarily for operation by electric utilities.

Welding Standards

Built to Last

The role of construction standards and innovation in building stronger, safer bridges