The RCD plug(RCD03G) simply plugs into the mains, as you have connected your electrical appliance with it. If there is a fault or a short in the tool you are using, the unit cuts the power very quickly, reducing the risk of electrocution.

The RCD adaptor(RCD01G) simply plugs into the mains, and then you plug your electrical appliance into it. If there is a fault or a short in the tool you are using, the unit cuts the power very quickly, reducing the risk of electrocution.

RCD05 (PRCD) provides added personal protection against electrocution when using electrical equipment in adverse conditions such as building sites, plant applications, industrial manufacturing, where water presents a danger and rough handling is expected.

The RCD adaptor(RCD01G) simply plugs into the mains, and then you plug your electrical appliance into it. If there is a fault or a short in the tool you are using, the unit cuts the power very quickly, reducing the risk of electrocution.