Troubleshooting Shore Power Connections
The majority of dock power troubles can be linked to two simple problems: overheating and saltwater immersion.
If you suspect a bad connection, turn off the dock power at the outlet and unplug the dock cord couplings at the outlet and boat. Inspect the male and female plug ends for signs of melting or corrosion. Inspect the outlet and the boat’s inlet for heat and corrosion damage.
Replace the connector immediately if you find signs of overheating. Be sure to inspect wire ends for signs of corrosion or overheating when replacing connectors.
Marinco suggests that many dock cord connectors are replaced unnecessarily because boat inlet and dock outlet connectors are at fault. Be sure to inspect all components with equal care.
If your dock cord connector gets dunked in salt water, disconnect quickly and rinse well in fresh water. Dry thoroughly before use.
Identifying Shore Power Connectors
This can be tricky, especially when you’re standing in the pouring rain with your cell phone, trying to place an order for the adapter you require to get connected.
Note: these connectors aren’t all the same size (despite the illustration). The 15A and 20A straight blades measure 1 3/8”dia. The 20A and 30A measure 1 13/16”, and the 50A is 1 15/16”. The connectors are usually marked with the rated voltage and amperage, but you may have to look carefully. The diameter of the circle formed by the connectors is the best indicator of 20A, 30A and 50A units. Examine connectors carefully, and never try to force mismatched connectors together.
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