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Electrical box penetrations in walls can represent a source of uncontrolled air infiltration. These right plastic insulated electric switch/outlet covers have a pre-installed foam gasket on the back side, and a hinged socket cover on the front, resulting in a safer electric switch/outlet allowing for little, if any, uncontrolled air infiltration. The hinged socket cover may be fully removed if both outlets are being used. This model may with either two-prong or grounded plug outlets in double-gang electrical boxes with a switch on one side and an outlet on the other.
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