IEC 60335-2-104 Ed. 1.0 b:2004, Household and similar electrical appliances - Safety - Part 2-104: Particular requirements for appliances to recover ... air conditioning and refrigeration equipment

Deals with the safety of electrical appliances to recover and/or recycle refrigerant from air conditioning and refrigeration equipment incorporating open drive or motor-compressors. The maximum rated voltage being not more than 250V for single phase appliances and 600V for all other appliances.