Marinco Sealing Collar and Rings are for use with MARINCO 20A and 30A inlets. Constructed from Black LEXAN, the 110R provides maximum moisture protection between cordset and adapter.
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Shore Cord Connectors
I need to extend my 30amp shore power cable from 25' to 40' long. I want to extend it at the boat end. I also want to insure that it is waterproof. I don't want to buy a 50' cable because I usually only need the 25' cable and a single 50' cable is too much to store.What do I need to make this happen? Is there a pre-made solution?
Get an extra 25' cord and use the sealing collar and rings. The whole length of 50' will be water tight. I do this, when necessary, with several cords up to 150'(beyond that line voltage drop is too much at high current). Never a problem with water in 30+ years.
Very high quality products, the best
I love the quality of the Marinco products, I redid my bass boat to accept their power cord and love the way you can charge your boat, just leave it plugged rain or shine. Great product.chester, Louisiana and we get alot rain.