China Standard: GB 19517－2009 National Safety Technical Code for Electric Equipments

1.1 This standard is applicable to all kinds of electrical equipments below 1200V AC rated voltage and below 1500V DC rated voltage. These electrical equipments include:  

——Electrical equipments applied and contacted by unskilled person according to design purpose or directly hand-held operated by users;  

——Electrical equipments applied to electrical workplace or closed electrical workplace and mainly or completely operated by skilled or primarily trained person.