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Metal enclosure?

Any plans for a Metal enclosure?   I've realized that the Texas heat (even in a garage with no direct sun) is causing my OpenEVSE to throttle down a *LOT* at a 34A charge rate.  64C gets hit every 10 minutes or so, and the unit throttles down to 16A.

I put a thermal camera onto my OpenEVSE, and the relay contacts is where the heat is coming from.

My relay is fairly new (6 months old), so really unsure.

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for context, using the 50A relay / contractor, UL certified lugs well crimped. All terminals "good and tight" snug.

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