It's fine. If you were using it on an engine that's not coming out, then you'd have to make sure all electricals are protected.
But if you're going to hot tank it, why worry about cleaning it before it gets cleaned? That's like washing the car before you go to the car wash.
But if you're going to hot tank it, why worry about cleaning it before it gets cleaned? That's like washing the car before you go to the car wash.
