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Marinco shore power Y adapter 2-30A Locking to 50A (125/250V) Locking, with covers and sealing collars for use in wet locations. Y adapters are used to allow two connections from one shore power cable. Marinco Adapters are safe, reliable, compact and weather resistant. Comes with 5 year warranty.
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Female Connector: 2-30A 125V Locking with Sealing Collar System, attaches to cordset to boat inlet
Male Connector: 50A 125/250V Locking, attaches to dockside receptacle or cordset
Q: What is the difference between 50 amp 125 volt and 50 amp 125/250 volt?
A: The blade configurations are different. In other words, one system may not be used with the other.
50 amp 125 volt is a 3 wire system (1 hot wire, 1 neutral, 1 ground).
50 amp 125/250 volt is a 4 wire system (2 hot wires, 1 neutral, 1 ground).
Note: Each device has 3 blades. The 4 wire devices are grounded on the side.
30 Amp to 50 Amp
Shore Cord Adapters
I just got one of these for Christmas, but I am not sure if it is the correct one for my required use.My boat has two thirty amp boat side plug in's. One designated to the A/C only and the other for everything else. I want to plug in 2, 30 amp cords at the boat and then at the shore power end plug them into this adapter with the 50 amp side of the adapter plugging in at the docks 50 amp shore power. My Y connection being at the dockside and not at the boat side. I would not use two 30 amp cords no 50 amp cord just the adapter. Based on this did I get the right connector? Part number 153AY?
Correction. I would be using 2 thirty amp cord. I would not use a 50 amp cord.
The next to the last sentence in your question is a little garbled, but I believe I'm using my Y connector exactly as you want to.I plug the 50 amp plug into the power pedestal and hook 2 30 amp cords from the boat to the 2 30 amp female connections in the Y. It works great.I also recommend that you use the locking rings on the 30 amp side that come with the Y connector to keep your connections tight and prevent overheating.
Thank youI think I got the right connector. Your response helped with my confidence
I need to have a connector combination that connects two 30 amp power source cables to a 50 amp to ensure continuous power to my boat. Do you have such a devise?
that is exactly the situation. I used one I borrowed from a fellow boater when all the 50 amp source were being used. It worked well. I connected the two 30 amp ends of the connector to the shore station power tower and the 50 amp end to my boat
That was exactly my need as well. The Marinco Y Adaptor 2-30A to 50A did the trick. It's been powering my boat for about a year. Regards, Rick
Not sure I understand your situation. We've been using the Marinco Y adapter to supply two onboard 30 amp circuits from a single 50 amp shorepower supply for a couple years. It's worked well for us. But it sounds like you might be trying to run 2 30 amp shorepower cables to a single onboard 50 amp circuit. For that you'll need a different type of adapter.
OK. Took a quick look around the Jamestown site and found this: Marinco Reverse Y Adapter 50A 125/250V to 2-30A 125V. I haven't used one, but the description sounds like what you're looking for. HTH.
I would buy this product again
My boat requires two 30 amp electrical power supplies. This product makes tie in easy and pretty much bullet proof.