Monday, February 23, 2009

Can an electrician add a little insulation for me? Lot of cold coming in through these.

Question: What can be done to insulate electrical wall and light switch outlets?
Can an electrician add a little insulation for me? Lot of cold coming in through these.

Answer:1. You can use expanding foam insulation around the outside of the box. You must be careful that it does not push its way into the back of the box through any of the wire knock outs.

2. You can also buy foam backing that goes between the cover plate and the outlet box. These cover can be found at you local home centers.

3. The wire knock outs in the back of the electrical boxes can also be sealed with silicon caulk to stop the air from entering the electrical box.

All of the suggestions also make you home safer because air moving through an electrical box can turn a spark into a flam. What you do have to be careful is is getting any of this material in the electric box it's self.
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