Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent
1987-10-06
1989-03-21
Grimley, Arthur T.
Electricity: conductors and insulators
Conduits, cables or conductors
Single duct conduits
H02G 15007
Patent
active
048145475
ABSTRACT:
An electrical entry is provided to secure an armored electrical cable to an access port of an electrical enclosure. The cable entry has a body portion for securing to the enclosure, with a passage therethrough to receive the armored cable, and a plurality of chuck members each internally profiled to engage the corrugations of the metal armor. The outer surface portions of the chuck members are tapered to engage a radially inner tapered portion of the entry body, and a compression nut axially compresses the chuck members within the entry body into gripping relation with the cable armor to mechanically secure and electrically ground it; a seal is provided within the entry to prevent passage of moisture or liquid through the entry.
REFERENCES:
patent: 3352961 (1967-11-01), Simon
patent: 3567843 (1971-03-01), Collins
patent: 4513172 (1985-04-01), Matsui
patent: 4549755 (1985-10-01), Kot et al.
Riley Leonard
Young Lister
Blish Nelson A.
Cooper Industries Inc.
Grimley Arthur T.
Scott Eddie E.
Thiele Alan R.
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