Only issue I have been concerned w is the weight of the big cord pulling down on the puck when plugged in. Not much there to hold up weight of a 30 or 50 cord but I am dealing w 50 to 15. I love the dogbone that actually have the screw on 50 amp female and the 15a male plug just 18" away. That way the weight is carried at the big 50 amp RV female which carries the weight of the 50a cord when in use. Hook up extension cord and batteries stay charged. Thx Dennis.
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