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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.
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.