H - Electricity – 02 – J
Patent
H - Electricity
02
J
321/22, 323/4
H02J 3/04 (2006.01) H02H 11/00 (2006.01)
Patent
CA 2030620
A "y" adapter for supplying power to a marine vessel from a dockside pawer center having two receptacles includes two three-pole plugs insertable into the receptacles, a third four-pole plug for connection to the wiring system of the vessel and a sensing and control unit for selectively switching paths between these plugs. All conductor lines are switchable to the third plug and between the input plugs by a voltage and phase sensing unit and contactor arrangement. Energization of one input plug while the other one is plugged into a receptacle is prevented and other dangerous voltage circumstances are also prevented.
Altena Edgar
Romatzick David H. Jr.
Finlayson & Singlehurst
Hubbell Incorporated
LandOfFree
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