Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent
1979-08-20
1980-09-16
Envall, Jr., Roy N.
Electricity: conductors and insulators
Conduits, cables or conductors
Single duct conduits
339103R, H02G 308
Patent
active
042231787
ABSTRACT:
A cable lock assembly for an electrical outlet box includes first and second members that cooperate with each other to define a cable receiving opening. The first member is generally U-shaped and has a locking member extending from the base thereof, which is received into an aperture in the bottom wall of the box. The second member straddles the first member and includes a base and first and second pairs of spaced legs extending from opposite ends. Each leg of the second member is received into an opening in the bottom wall and has spaced ledges that engage the bottom surface of the bottom wall to define different sized openings between the bases.
REFERENCES:
patent: 1773572 (1930-08-01), Calderwood
patent: 3084958 (1963-04-01), Appleton
patent: 3324227 (1967-06-01), Maier
patent: 3424856 (1969-01-01), Coldren
patent: 3493205 (1970-02-01), Bromberg
patent: 3751579 (1973-08-01), Nojiri
patent: 4082915 (1978-04-01), Silver
patent: 4108527 (1978-08-01), Douty
Envall Jr. Roy N.
Garrett John R.
Guttman Richard T.
Patti Carmen B.
Square D Company
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