Apparatus for detecting coil failure in an actuating...

Apparatus for detecting ground fault in variable-voltage variabl

Apparatus for detecting ground fault in variable-voltage variabl

Apparatus for fault detection and isolation

Apparatus for ground fault current interrupter with overall...

Apparatus for improved ground fault equipment protection

Apparatus for monitoring grounded states of multiple DC loads of

Apparatus for monitoring motor winding leakage

Apparatus for protecting electrically operated devices

Apparatus for testing protection of an electric power distributi

Apparatus providing response to arc faults in a power distributi

Appliance leakage current interrupter

Appliance leakage current interrupter and nightlight...

Arc detection apparatus and method

Arc detection circuit

Arc detection circuit

Arc detection circuit

Arc detection circuit

Arc detection using discrete wavelet transforms

Arc detection using load recognition, harmonic content and...