Quote Originally Posted by njhussey View Post
I was wondering about that, doesn't the backplate act as that as all the earth's (and motor screens and driver screens, but only JB din rail end end) connect to the din rail which is bolted to the backplate?
Technicly I don't think it should matter as the whole rail becomes a Ground Bus bar but I must admit I do take all my earths back to One block of Din terminals just for sake of it and to eliminate any chance of Ground loops.