Ballast question

Nah, just take common sense precautions like don't stack paper around it. If you're at all worried, put a small fan blowing on it. But you should be fine. I ran 6 1K magnetics with the coils exposed for a few years with no probs. All my ballasts were modified high bay lights.
 
THat is one odd ballast haha. Yes the actual step-up transformer will get way to hot to touch. Like jack said, just take precaution as to what is around the ballast. Most ballast will have the transformer enclosed so there is no worry of touching it.
 
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