Electric Heating Electrical Four and Two and That Electric Heating Electrical One
Since we have discussed “Electric Heating Electrical Four” and “Two” in the standard system, “Electric Heating Electrical One” is naturally the cornerstone of the entire electric heating safety field—GB 5959.1 “Safety in electroheat installations Part 1: General requirements”.
If “Electric Heating Electrical Two” is a “specialized specification” for special equipment like arc furnaces, then “Electric Heating Electrical One” is the “general constitution” applicable to all industrial electroheat installations. It stipulates the basic safety bottom line that all types of electroheat installations must jointly comply with during design, manufacturing, and use.
Here is the key information about this core standard:
