DIN EN 50250 VDE 0623-4:2016-10

This standard applies to conversion adaptors intended mainly for industrial use, comprising a housing of insulating material which incorporates an industrial 2P + PE 16 A, 6 h 250 V~ type plug part and one or two socket-outlets in accordance with the relevant national standards for socketoutlets for household and similar use, with a rated current up to 16 A, intended mainly for industrial use either indoors or outdoors. Adaptors can be used in conjunction with socket-outlets and/or connectors. This standard applies to all applications where the ambient temperature does not normally exceed 40 °C. The use of these adaptors on building sites, for agricultural, commercial and domestic applications is not precluded but care should be taken in considering protecting devices in use. Adaptors are for temporary use only.