本标准规定了低压单相和多相家用及类似电气设备的售后安全检查和试验要求。它涵盖了经过维修或维护的电气设备，包括用于家庭和工作场所环境的设备。不打算供正常家庭使用但可能对公众构成危险的设备，例如打算供商店、轻工业和农场的非专业人员使用的设备，都在范围之内。

This Standard specifies requirements for the post-sale safety inspection and testing of low voltage single phase and poly-phase household and similar electrical equipment. It covers electrical equipment which has been repaired or undergone service maintenance, and includes equipment for use in domestic and workplace environments. Equipment not intended for normal household use but which may be a source of danger to the public, such as equipment intended to be used by laypersons in shops, in light industry and on farms, are within the scope.