Electrical wiring box

Details Electrical wiring box Electrical wiring box

1979-08-15

1981-01-13

Lowrance, George E.

Receptacles

Outlet or junction box type

220229, 220266, H02G 308, H02G 312

Patent

active

042444837

ABSTRACT:
A molded plastic electrical wiring box having knock-out regions comprising a two-flap structure with the flaps having essentially planar offset surfaces providing a frangible bridge or web to separate the flaps.

REFERENCES:
patent: 1850165 (1932-03-01), Barnett
patent: 3770873 (1973-11-01), Brown
patent: 3873759 (1975-03-01), Schindler et al.
patent: 3917101 (1975-11-01), Ware
patent: 3926330 (1975-12-01), Deming et al.
patent: 3965287 (1976-06-01), Mueller
patent: 4007852 (1977-02-01), Gernhardt
patent: 4053084 (1977-10-01), Anderson
patent: 4071159 (1978-01-01), Robinson et al.
patent: 4202457 (1980-05-01), Tansi

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