GB 4706.21-2002

This standard specifies the particular safety requirements for household and similar electrical microwave ovens, covering aspects such as electrical insulation, radiation leakage limits, and mechanical hazards. It is applied in the manufacturing, testing, and certification of microwave ovens intended for domestic use, as well as in commercial environments like canteens and offices where similar appliances are used. Compliance with this standard ensures that microwave ovens sold or used in China meet mandatory safety criteria to protect users from electric shock, fire, and excessive microwave radiation.