Electrical bushing having a convertible central conductor

Details Electrical bushing having a convertible central conductor Electrical bushing having a convertible central conductor

1984-08-03

1986-06-10

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

Through wall or plate

174 12BH, H01B 1726

Patent

active

045944750

ABSTRACT:
An electrical insulating bushing for conversion between various current ratings and characterized by a tubular column including an insulating portion, a tubular conductor extending through the column and connected to terminals at the top and bottom of the column, and another conductor disposed within the tubular conductor and connected to the terminal at the top of the column. In order to convert the bushing to a different current rating, a replacement conductor is provided which can be substituted for the conductor within the tubular conductor. The replacement conductor and tubular conductor are electrically connected together in spaced alignment near the bottom terminal by a conductive annulus and a coil spring.

REFERENCES:
patent: 1834379 (1931-12-01), Burr et al.
patent: 2099666 (1937-11-01), Terpak
patent: 2195003 (1940-03-01), Danvers
patent: 2525444 (1950-10-01), Bowers

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