H - Electricity – 01 – R
Patent
H - Electricity
01
R
H01R 4/30 (2006.01) H01F 27/40 (2006.01) H01R 13/66 (2006.01)
Patent
CA 2054292
ABSTRACT OF THE DISCLOSURE A connector for installation between utility transformer secondary leads and service leads. The connector is for location below a pole-mounted transformer and may be opened or closed from the ground with the use of a tool such as a hot stick. The connector includes two switches for releasable electrical connection of the secondary and service leads. Each switch has a rigid immovable member, a movable member and fastener. The movable member may be brought into contact with and fastened in electrical connection with the rigid member for a closed position of the switch. The fastener may be released and the movable member moved out of electrical contact with the rigid member for an open position of the switch. There are two embodiments disclosed. In the disclosed embodiments, the movable member of each switch includes a flexible cable and the connector includes a spacer between the cables to prevent electical connection therebetween when the switches are open. The flexible member of each switch has a rigid portion, such as a Z-bar, having an aperture which registers with an aperture in the flexible member. A bolt fastener is inserted through these apertures and threaded into a threaded hole in the rigid member of the switch for electrical connection of the members. The bolt has a ring at its end opposite the threaded end and a radial washer axially located between the rigid portion and flexible portion of the flexible member so that the bolt may be screwed in with a hot stick and is not released from the flexible member when its switch is in the open position. The arrangement is such that the flexible member of a switch abuts an underside of rigid member with which it is paired so that when the swithes are opened, the flexible members are released downwardly to isolate all service leads from the secondary leads, but the flexible members may optionally be biased into an open position. The second of the two embodiments includes a shroud to hinder bridging contact of switch conductors by small animals.
Baragar James Bertram
Blake Cassels & Graydon Llp
Marglass Industries Limited
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