Originally Posted by Mac2
I am using the 50 amp cord. Melted three at the plug-positive prong. Last incident started to burn the wood liner on my steel boat (which probably saved me). My boat was designed to run on two 50's but my dock only has one 50 amp plug. This could be part of the problem.
If you've melted several and it's not down to a bad connector that hasn't been replaced, I'd be taking a serious look at the overcurrent protection in your setup to make sure you're not overloading the connectors.