Electrical junction and outlet box

Details Electrical junction and outlet box Electrical junction and outlet box

1983-07-29

1984-03-27

Price, William

Receptacles

Outlet or junction box type

220 33, 220 35, 220 62, H02G 308

Patent

active

044388594

ABSTRACT:
Unitary folded metal electrical wiring boxes having the strength and rigidity of drawn one-piece boxes without the need for weld points comprise a flat polygonal base with sidewalls provided with mated extended portions and indented portions at the corners. Tabs on one sidewall extension fold over the top edge of the adjacent sidewall, engaging a notch on the second sidewall to interlock the sidewalls at each corner.

REFERENCES:
patent: 550648 (1895-12-01), Scott
patent: 1557066 (1925-10-01), Krantz
patent: 1763160 (1930-06-01), Knight
patent: 2016284 (1935-10-01), Knight
patent: 2204695 (1940-06-01), Pond
patent: 2214968 (1940-09-01), MacMillen
patent: 2619564 (1952-11-01), Raleigh
patent: 2732090 (1956-01-01), Karlin
patent: 2809763 (1957-10-01), Clark
patent: 3083856 (1963-04-01), Appleton
patent: 3763522 (1973-10-01), Krzyzanowski

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