Check the listing for details. 1-Gang 14 Cu. In. PVC Old Work Electrical Switch and Outlet Box. Color: Blue, Condition: New. Listed at 18.75 USD. 1-Gang 14 Cu. In. PVC Old Work Electrical Switch and Outlet Box Product Description The 14 cu. in. PVC Old Work Electrical Outlet Box is designed to work with non-metallic sheathed cable in accordance with Article 314 of the NEC. This item is great for light commercial and residential applications. The box is crafted with non-conductive PVC for durability and is fire rated and UL Listed to help ensure safety. Features For residential and commercial old work applications including masonry walls Sized for standard devices and switches Thermoplastic construction resists rust and wont conduct electricity Built-in cable clamps hold wires firmly in place UL Listed and 2-hour fire rating for safety Suitable for residential and commercial old work applications Made from non-conductive PVC for long-term use Features cable clamps that hold the wires firmly