Three of the four 120 volt outlets on Billabong were not working… with only one switch on the power panel I knew there was an issue somewhere along the line. On another boat with a similar issue it came down to a faulty GFI unit. Billabong had the same issue. The GFI outlet in the galley was totally fried. The other two “faulty” outlets were further down the line. Wiring additional outlets after a GFI outlet is a cheap way to add a “breaker” in the line without running extra wires to the power panel. Cheap simple fix and now all the 120 volt outlets are alive! Soon I need to wire in an inverter to run the outlets off the batteries when swinging at anchor.