[RyanN]

We never had any issues with the Rockwell PD Blocks. Although the screws did start to back off after a while, or maybe the wire was shifting around a little, we never did lose power, and all we did was tighten the screws more. After one tightening, all was well.

Also, I'd imagine that the smaller wire sizes will make a difference with how they're secured. I've never had any issue with smaller wires coming out of this compression type of connection. There's a right wire size for every hole. If the new PD block manufactures did their homework, then I believe everything will go well.