|Do-It-Yourself: Sealing Gaps Around Electrical Outlets and Switches|
Cost: 20 cents per outlet/switch
Time: Less than 5 minutes per outlet/switch
Safety Equipment: Gloves
Before You Start:
Once the outlet/switch is safe to work on, remove the cover if you haven’t done so already. The outlet/switch will be located inside a small box in the wall.
Once the expanding foam spray has dried use a utility knife to cut off any excess.
Place a foam gasket behind the outlet/switch cover and put the cover back.
Safety Precautions: Working around electricity can be very dangerous. Switch the breaker for the outlet/switch you plan to work on before starting. It is a good idea to check the outlet with a multimeter to make sure there is no power to it, wear gloves, and have someone observing in case an electrical shock occurs.
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