Surge-protected cable joint

Details Surge-protected cable joint Surge-protected cable joint

1981-04-13

1983-12-13

McQuade, John

Geometrical instruments

339 14L, 339147R, H01R 13648

Patent

active

044202008

ABSTRACT:
The invention relates to a surge-protected cable joint for telecommunication networks, comprising a joint casing closed at either end and having axial cable inlets, and terminal strips for the cable wires secured in the casing interior. In order to permit connection of an increased number of cable wires without increasing the external dimensions while at the same time obtaining a higher resistance to surge currents, the individual terminal strips are disposed within the joint interior in a plurality of double rows arranged in series and each row is fixedly mounted within a trough, thus resulting in a wiring free from crossover points and in an increased number of connections. The receiving troughs (2, 2a) are bolted together in pairs with their bottoms adjacent each other, and are secured to lateral connecting rails (4). These connecting rails (4) in turn are mechanically and electrically coupled via support rails (6) to one of the end walls of the joint casing (1) and via an earth cable to a connecting bolt (5). Furthermore, surge arrester magazines (8) are detachably secured, e.g. by clamping, on the individual terminal strips.

REFERENCES:
patent: 3820056 (1974-06-01), Ayer
patent: 3915540 (1975-10-01), Thompson et al.
patent: 4053719 (1977-10-01), Debortoli et al.
patent: 4272147 (1981-06-01), Berglund et al.
patent: 4326107 (1982-04-01), Perna
patent: 4345294 (1982-08-01), Forberg et al.

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