My 2 cents. I did marine repair for about 15 years after retiring from my "real" job. In those years, I saw or replaced several of the standard Marinco plugs where degradation had occurred with evidence of over heating or arcing. Many of them had one thing in common. The plug was always unsupported. That is, they were hanging with some cable weight on the plug. Some were routed from the pier directly to the plug.
My opinion is that by being unsupported, the movement of the boat can cause the plug to become slightly loose and then arc or whatever. If you eliminate any load or stress on the plug, there is less chance of failure. Touche's power cord, a Marinco, is routed from the pier then around the stern pulpit then has a single wrap around a winch before being plugged in. On the dock, it is coiled on a hose reel before being plugged into the dockside receptacle. When I cruise, I always make sure there is a wrap around a piling, the shore power stanchion or a cleat on the dock. I maintain the wrap around a winch on the boat. Never had an issue. -- Dennis C. Touche' 35-1 #83 Mandeville, LA
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