This standard is. This document specifies the safety-related structure and performance of arc welding power supplies and plasma cutting power supplies designed for industrial and professional use and powered by an AC power source or an engine.
JIS C 9300-1:2006 Referenced Document
JIS C 0365 Protection against electric shock -- Common aspects for installation and equipment*, 2007-10-20 Update
JIS C 0445 Identification of equipment terminals and of terminations of certain designated conductors, including general rules for an alphanumeric system
JIS C 0664 Insulation coordination for low-voltage equipment Part 1: Principles, requirements and tests