Guard for a high voltage electrical terminal bushing

Details Guard for a high voltage electrical terminal bushing Guard for a high voltage electrical terminal bushing

1977-11-03

1980-05-06

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

Combined

174140R, 361 40, 361132, 361137, H01B 1700, H01B 1746

Patent

active

042018838

ABSTRACT:
A guard for a high voltage terminal bushing includes a generally circular planar isolating member of an electrically insulating material which is mounted on the upper surface of the bushing and provided with a plurality of openings through which wind and rain may freely pass. A radial diameter of the isolating member is sufficient to prevent small animals from contacting a high voltage cable connected to the bushing and ground potential. A cylindrical section extends downwardly from the isolating member to support the guard on the upper surface of the bushing. A second cylindrical member extends downwardly and surrounds the upper portion of the bushing to form a cap to protect and shield the terminal end of the bushing. A lightning arrestor may be included which extends from adjacent the high voltage terminal to a point adjacent a transformer housing or ground potential.

REFERENCES:
patent: 2065315 (1936-12-01), Keath
patent: 2092515 (1937-09-01), Jervey
patent: 2263319 (1941-11-01), Treanor
patent: 2414732 (1947-01-01), Fox
patent: 2840631 (1958-06-01), Marcroft
patent: 2875267 (1959-02-01), Sutton, Jr.

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