Entrance terminals for telecommunications cable

Details Entrance terminals for telecommunications cable Entrance terminals for telecommunications cable

1985-11-06

1988-03-15

Grimley, A. T.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

174 59, 174153G, 277212FB, 361356, 439718, H02G 322

Patent

active

047315016

ABSTRACT:
Entrance terminal housing having walls sealed together at their junctions and defining a chamber opening. A removable cover is provided for the opening and a seal between walls and cover. In preferred arrangements, removable covers isolate terminals within the housing from other terminals and also isolate the terminals from the rest of the chamber. A fire resistant conductor sleeve is provided of flexible material and is of radially expansible and collapsible tapered tubular form for sealing around a range of numbers of conductors passing through a wall of the housing. In one construction, the sleeve has axially extending corrugations which allow for its expansion and collapse.

REFERENCES:
patent: 256866 (1882-04-01), Teal
patent: 1862811 (1932-06-01), Strong
patent: 2797955 (1957-07-01), Wilfert
patent: 2799528 (1957-07-01), Wilfert
patent: 4516818 (1985-05-01), Johnston et al.

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