Apparatus for providing positive protection for station protecto

Details Apparatus for providing positive protection for station protecto Apparatus for providing positive protection for station protecto

1985-04-22

1987-04-14

Envall, Jr., Roy N.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

292307R, H01T 406

Patent

active

046583254

ABSTRACT:
A station protector, such as the type having pairs of arrestors positioned in adjacent wells, with screw cap enclosing the wells, is provided with positive protection by interconnecting a pair of screw caps by means which prevents turning of either screw cap, to provide access to a well, without breaking a connecting member and thus giving an indication of such turning, and access. The connecting member can be a bar attached to the screw caps, or cap member extending over the screw caps and connected to them. The cap members can be connected to the screw caps by bonding, crimping or other method.

REFERENCES:
patent: 1179648 (1916-04-01), Personette
patent: 4405967 (1983-07-01), Cwirzen
patent: 4502087 (1985-02-01), Huvet
patent: 4533971 (1985-08-01), Smith

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