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Jdesiderato

30amp Shoreline Plug

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Jdesiderato,

Welcome to the FMCA Forum.

RESISTANCE. That is the only thing that can cause heat in an electrical circuit. Polish up the male prongs-- 2000 grit sandpaper, etc. If that doesn't do it, use De-oxit or other electrical cleaner to try to remove oxidation, or pitting from the female connection.

If still hot, replace it.

BTW, if this only occurs while on generator, but not on shore power, suspect the generator-side connection.

Brett

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Jdesiderato,

Welcome to FMCA ! Also.

Could you post the year of your coach for the group. When you notice the heat do you have the AC unit(s) running?

Brett mentioned the need to keep the connections clean to reduce resistance.

When the wires it the plug are flexed a number of times the strands of wire can be broken over time and with fewer strands to carry the current the remaining strands need to carry more current and that also causes heat.

The condition of the cable and all the connections reduces resistance and in turn lowers the heat produced.

Rich.

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Just to add my two cents. Both Brett and Rich mentioned connections. When it can be done it is good to check all connections on both the receptacles and plugs on the gen. coach and cords. This can be done at the same time you are cleaning the post and terminals.

Good luck and keep your cables cool.

Herman

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