Wireless emergency power interrupting system for multibranch...

Details Wireless emergency power interrupting system for multibranch... Wireless emergency power interrupting system for multibranch...

H - Electricity

02

H

348/20

H02H 3/00 (2006.01) H01H 83/04 (2006.01) H02H 3/33 (2006.01) G01R 31/28 (2006.01)

Patent

CA 1126383

47,586 WIRELESS EMERGENCY POWER INTERRUPTING SYSTEM FOR MULTIBRANCH CIRCUITS ABSTRACT OF THE DISCLOSURE A system for the emergency deenergization of a multibranch power circuit includes a ground fault circuit interrupter having capability to trip under both ground fault and grounded neutral conditions. A plurality of receptacles are provided on the circuit to receive connect- ing plugs of electrical devices to be powered. A removable plug adapted for insertion into any of the receptacles includes the series combination of a normally open push- button switch and resistor connected between plug pins which are in contact with the neutral and ground conductors of the circuit so that actuation of the switch when the plug is in- serted in a receptacle establishes a low-impedance path from neutral to ground which is detected by the ground fault circuit interrupter. This causes the interrupter to trip and deenergize the circuit.

313727

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