The variac I have is not enclosed. It is meant to bolt to a panel, with the knob sticking through the panel. There is exposed high voltage on the other side of the panel. It probably has screw terminals for making the electrical connections, but maybe spade lugs or solder tabs. (don't remember)
Probably not the way you want to go, unless you already have some panel space available to mount it conveniently.
If you are still interested let me know and I'll get a picture.
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