This standard stipulates the relevant requirements for the correct selection, installation and use of residual current protective devices (hereinafter referred to as residual current protective devices, RCD for short) and their operation management. This standard is applicable to power supply and consumption systems whose operating voltage is AC 50Hz or 60Hz, and the rated voltage does not exceed 230/400 (220/380) V, and the neutral point of the power supply is directly grounded. This standard does not apply to the protection of electric shock accidents, electrical equipment damage or electrical fire accidents that occur between phases or between phases and N wires.
GB 13955-2005 history
2018GB/T 13955-2017 Installation and operation of residual current operating protective devices
2005GB 13955-2005 Installation and operation of residual current operated protective devices
1992GB 13955-1992 Instsllating and operation of residual current operated protective devices
GB 13955-2005 Installation and operation of residual current operated protective devices was changed to GB/T 13955-2017 Installation and operation of residual current operating protective devices.