Insulated animal guard for electrical transformers

Details Insulated animal guard for electrical transformers Insulated animal guard for electrical transformers

1995-05-01

1997-07-22

Sough, Hyung S.

Electricity: conductors and insulators

Insulators

Combined

52101, 49 58, H01B 1700

Patent

active

056505949

ABSTRACT:
An insulated animal guard device for installation on electrical transformers to prevent animals climbing or perching on the transformer from causing a short circuit between the transformer and adjacent high voltage power lines. The device is a flat member formed of electrically non-conductive material apertured at one end to be releasably engaged on an insulated bushing extending from the upper end of the transformer to retain the device in a generally horizontal position on top of the transformer. The device is apertured at the opposite end to be received and releasably engaged on the hook jaw clamping elements at one end of a hotstick. A lineworker using a hotstick can easily position the device relative to the transformer and engage it with the insulated bushing so that the power lines and transformer need not be de-energized during installation or removal of the device.

REFERENCES:
patent: 422651 (1890-03-01), Stanley
patent: 5359313 (1994-10-01), Watanabe et al.
McGraw, "Joint Effort yields new barrier design", Electrical World, Jan. 1985, pp. 85-86.
"The Squirrely", HJ Arnett Industries, Inc. Dec. 16, 1986, 2 pages.

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