List of Countries Using Type J Electric Plug & Socket:
El Salvador, Ethiopia, Liechtenstein, Madagascar, Maldives, Rwanda, Switzerland

This plug is similar to Type C, except that it has the addition of a grounding pin. This connector system is rated for use in applications up to 10 amps. Above 10 amps, equipment must be either wired permanently to the electrical supply system with appropriate branch circuit protection or connected to the mains with an appropriate high power industrial connector.