Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent
1998-12-22
2000-08-15
Kincaid, Kristina
Electricity: conductors and insulators
Conduits, cables or conductors
Single duct conduits
174135, 439535, 29825, 248 681, 52100, H02G 318
Patent
active
06103973&
ABSTRACT:
A knockout providing either bundled wiring or multiple electrical conduit connector access to an electrical enclosure. The knockout provides one large knockout for use with bundled wiring or a large conduit connector when activated and a number of small knockouts, each for use with one small conduit connector when activated. The small knockouts are arranged tangentially within the larger knockout in a radial pattern.
REFERENCES:
patent: 1847924 (1932-03-01), Calderwood
patent: 3187084 (1965-06-01), Stillman et al.
patent: 5166476 (1992-11-01), Stumm
patent: 5191171 (1993-03-01), Bordwell
patent: 5771576 (1998-06-01), Braxton et al.
Golden Larry I.
Kincaid Kristina
Patel Dhiru R
Shrout Larry T.
Square D Company
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