Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1989-04-07
1990-05-22
Askin, Laramie E.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
174 51, 174152R, 277166, 285 19, H02G 308
Patent
active
049279823
ABSTRACT:
A wire channel bushing mountable between two electrical enclosure boxes. The bushing provides a rain-tight channel for wires passing between the boxes and also provides reliable grounding paths for grounding one box to the other.
REFERENCES:
patent: 1744706 (1930-01-01), Hanny
patent: 1955106 (1934-04-01), Von Normann
patent: 1980335 (1934-11-01), Hewitt et al.
patent: 2072862 (1937-03-01), Balfe
patent: 2078920 (1937-05-01), Abbott
patent: 2850064 (1958-09-01), Rapata
patent: 3481633 (1969-12-01), Schonholzer
Krueger Keith T.
Wight Donald C.
Askin Laramie E.
Edelman Lawrence C.
Morrow James G.
Siemens Energy & Automation Inc.
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