Marinco 111A Pigtail Adapter, 30A 125V Male Plug to 50A 125V Female Connector

The Marinco 111A is a shore power pigtail adapter that lets you connect a 30 amp 125 volt dockside power source to a boat equipped with a 50 amp 125 volt shore power inlet. The dockside end is a 30 Amp 125V locking male plug, and the boatside end is a 50 Amp 125V locking female connector fitted with a sealing collar system for use in wet locations. This lets boaters with a 50 amp shore power inlet draw power from a standard 30 amp dock pedestal without needing to rewire the boat's shore power system.

The adapter is fully molded for durability and includes protective covers to shield the connections from moisture and spray. A built-in LED power indicator lets you confirm at a glance that the connection is live, and the contoured grip with a thumbprint ground blade locator makes it easy to align and handle the plug correctly, even in low light. The cord measures 25 feet, giving enough reach for most dock configurations, and the unit is rated for 7500 watts.

Specifications

• Brand: Marinco
• Manufacturer Part Number: 111A
• Configuration: 30 Amp 125V Male to 50 Amp 125V Female
• Dockside Connector: 30 Amp 125V locking male plug
• Boatside Connector: 50 Amp 125V locking female connector with sealing collar system
• Voltage: 125 Volts
• Amperage: 50 Amps
• Wattage: 7500 watts
• Cord Length: 25 feet
• Number of Conductors: 2
• Color: Yellow
• Case Material: Plastic
• Water Resistance: Water resistant, suitable for wet locations
• Special Features: Sealing collar system, LED power indicator, contoured grip with thumbprint ground blade locator
• UL Listed: Yes
• Weight: 2.1 pounds

Frequently Asked Questions

What does the Marinco 111A adapter do? The Marinco 111A is a pigtail adapter that connects a 30 amp 125 volt dockside power source to a boat's 50 amp 125 volt shore power inlet, letting you power a 50 amp boat from a standard 30 amp dock pedestal.

Which end plugs into the dock and which end connects to the boat? On the 111A, the 30 Amp 125V locking male plug is the dockside connector, while the 50 Amp 125V locking female connector with the sealing collar system is the boatside connector.

Is the Marinco 111A rated for outdoor or wet use? Yes, the 111A is fully molded and equipped with a sealing collar system and covers, making it water resistant and suitable for use in wet locations at the dock.

How long is the cord on the 111A adapter? The Marinco 111A has a 25 foot cord, giving enough reach to bridge most dock pedestal to boat inlet distances.

What is the wattage and amperage rating of this adapter? The 111A is rated for 7500 watts at 50 amps, 125 volts on the boatside connection, stepping down from a 30 amp, 125 volt dockside supply.

Does the 111A have any way to tell if it is powered? Yes, the Marinco 111A includes a built-in LED power indicator so you can confirm the connection is live at a glance.

How many conductors does the 111A have? The 111A has 2 conductors.

What color is the Marinco 111A? The 111A is yellow, matching Marinco's standard shore power cord and adapter color.

Is the Marinco 111A UL listed? Yes, the 111A is UL listed.

What material is the 111A adapter housing made of? The housing on the 111A is plastic, fully molded to protect the internal connections.

How much does the Marinco 111A weigh? The 111A weighs 2.1 pounds.

Does the 111A make handling and alignment easier in the dark? Yes, the 111A features a contoured grip with a thumbprint ground blade locator to help you align and handle the plug correctly even in low light.