Waterproof electrical switch

Details Waterproof electrical switch Waterproof electrical switch

1980-02-25

1982-06-15

Little, Willis

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200325, 200332, 200 5109, 200 44, H01H 904

Patent

active

043352863

ABSTRACT:
A waterproof electrical switch or circuit breaker is precluded from being set in the ON position, except after a plug has been inserted into the receptacle and a safety-interlocking mechanism has been activated. Withdrawal of the plug from the receptacle is precluded, except when the circuit breaker is in the OFF position.

REFERENCES:
patent: 1924691 (1933-08-01), Lofgrien
patent: 1934024 (1933-11-01), Anderson
patent: 1947634 (1934-02-01), Anderson
patent: 1971990 (1934-08-01), Reynolds et al.
patent: 2015543 (1935-09-01), Bissell
patent: 2241828 (1941-05-01), Reynolds
patent: 2420865 (1947-05-01), Conlan
patent: 2470944 (1949-05-01), Parish
patent: 3997750 (1976-12-01), Glazer

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