chain hoists

First off I apologize for being confrontational and naive in my post, it wasn't intended.I reached out to the previous owners, and the hoists have been certified in the past year, but I still won't use them until they're re-certified for us. I'll be paying out-of-pocket to ensure it gets done...

I have been looking for a way to manage my cable runs a little more efficiently. My theater uses truss on chain motors for our electrics. No raceway or anything. The location of the electrics change every show, so we can't just drop cable and leave it. We drop our cable onto the truss and run it...