They worked great, I had to run 10 AWG wire from the roof panels to the garage. Last month we had heavy rain, hail and other storms and no problems or shorts from water. I also bought MC4 wrenches but didn't even use their regular pliers and they're ok if you want to save $5 there. One of the downsides is that they're a little stiff, don't click together, and don't open effortlessly. a bit of power (I think due to the weatherproof pads, but maybe a design/manufacturing issue). It just takes a…