Review on Dottie WPI100 Wall Plate Insulation Gasket, 100-Pack: Enhancing Electrical Safety & Efficiency by Joseph Cvetkovic

Wow, these pads are hard to find in big stores. I like these things because you can use them with the different plug and derailleur configurations you have. See picture in ad. This is a useful thickness of some sort of soft foam, and they don't get in the way of putting on a rubber since the material they're made of compresses easily. medium sized house. I needed about 60 of these so I am passing the extra ones on to my electrician. And when you're wondering if you need it, remove the wall plate from one of your switches or outlets and you'll be surprised that you can actually feel the cold air entering the ungassed hole. Very happy with it and would definitely recommend it.