Safety disconnect switch for suspended cables

Details Safety disconnect switch for suspended cables Safety disconnect switch for suspended cables

H - Electricity

01

H

306/306

H01H 15/00 (2006.01) H02G 7/02 (2006.01) H02G 7/05 (2006.01) H02G 7/18 (2006.01)

Patent

CA 1112696

ABSTRACT OF THE DISCLOSURE A safety disconnect switch for mounting on a utility pole to serve as an anchor at one end of a suspended service entrance cable extending to a remote building, so as to first disconnect the cable and drop it harmlessly to the ground upon an excessive tension force being applied to the cable by a falling tree or the like. This device includes a mov- able clamping means that joins the terminal ends of the wires of the suspended cable to the bus bars of the incoming power supply lead wires. A detent switch mechanism holds the terminal clamping means in either a first fixed position or a second cable-released position. The detent switch means also includes a locking means and a trigger means to open the locking means upon a predetermined tension force being exerted on the suspended cable,

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