For carpet, tile and wood covered floors. For use in concrete, raised and wood floor applications. Box is provided with a protective, disposable cover that allows the box to be installed at any point in the construction process. Box is available in a standard version for use in above grade concrete, raised, and wood floor applications. Boxes are also compatible with Wiremold Walkerflex Modular Wiring System. Custom options are available upon request. NOTE: Not designed for use with bare concrete or terrazzo floors.