I wonder the same thing. My kids are 8&9 but I really don't feel like I will need to worry. I expose them to it, they see me brew, they even help. They know the deal. As for measures though, I'm installing an RFID lock once I finish me smart keggerator controller. Coming soon to a brew house...
So figured I would investigate a little more now that I am at work and could look over my NEC 2011 book. There really isn't anything I can find thats a clear cut answer to this. I am going to call my rep at Tempco to day and ask the question. As I said in my earlier post. I have seen both ways...
I usually wire the contractor before the SSR. But have seen it both ways. There isn't anything in the NFPA book that I have found. I look at the contractor as a e-Stop disconnect.
As for the light. You could always wire it in series with your SSR coil.