Paul-
Why did you not just use your shore power cord with Smartplug plugged into the boat and the 30A twist end into the Honda? Or, with an adaptor on the 30A end that plugs into your Honda household plug outlet?
I didn't want to run the 50' cable to connect the Generator ( at the back of the cockpit ) to the Boat Receptical ( just about 8' from the generator) :)