Safe mains voltage supply outlet and method

Safety adapter for ungrounded electrical socket

Safety circuit for hand tools, and method for safe operation the

Safety device for a differential protection apparatus

Safety device for an electrical appliance

Safety device for an electrical appliance

Safety device for prevention of electrical shocks

Safety device for prevention of electrical shocks

Safety devices

Safety electrical assembly for electric power equipment

Safety protection circuit

Sealed plug-in GFCI

Secondary arc extinction device

Secondary arc extinction device

Secondary ground fault protected luminous tube transformer

Secondary ground fault protected luminous tube transformer for m

Secondary ground fault protection

Security apparatus for the protection of electric machines

Self fault-detection circuit for ground fault circuit...

Self testing circuit breaker ground fault and sputtering arc tri