Protection system for equipment and metallic fittings of non-met

Chemistry: electrical and wave energy – Apparatus – Electrolytic

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204147, 114 5R, 114221R, C23F 1300, B63B 1700

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active

039309770

ABSTRACT:
A system for protecting the personnel and the electrical equipment of power boats having non-metallic hulls, and for the cathodic protection of the hulls of the metal fittings of such boats when docked and supplied from a shore-based alternating current supply, in which circuit breakers are inserted in the hot leg and the neutral leg of the shore-based alternating current supply, and including a polarity alarm and a polarity light socket in which is inserted a polarity light tester as described in U.S. Pat. No. 3,383,588, and in which the negative lead of the battery ground, the equipment ground, and the neutral leg of the shore-based alternating current supply are connected electrically with both the ground plate and the bonding ground of the boat.

REFERENCES:
patent: 2762767 (1956-09-01), Mosher et al.
patent: 2878173 (1959-03-01), Obermann
patent: 2890157 (1959-06-01), Raetzsch
patent: 3223604 (1965-12-01), Marsh et al.
patent: 3241512 (1966-03-01), Green
patent: 3303118 (1967-02-01), Anderson
patent: 3383588 (1968-05-01), Stoll et al.
patent: 3636409 (1972-01-01), Stephens et al.
patent: 3769926 (1973-11-01), Race
"Motor Boating and Sailing", Feb. 1972, pp. 77-92.

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