I’ve said it before elsewhere but heat mats in wooden vivs are fairly common over here in the uk .. must be regulated by a thermostat EVERY time of course.
They are professionally sealed but I still add a thick layer of hot glue all around the joint where the wire connects to the mat - just for piece of mind .
Never had a single incident in all the years of using them .. I had around 25 snakes for many years as well .
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