For 881 PVC Floor Box. Kit complete with prewired 15A quad receptacle, (receptacle can be wired as standard receptacle or isolated ground), flange and slide holder 881ADP Adapter, 881DIV Divider. CAUTION: Not for use on concrete pours less than 4 1/2 (114mm). Not for use when concrete is the finished floor. Use only for tile, carpet and wood covered floors. NOTE: For carpet or tile installations. All cover plates are furnished with gasket and three screws. The 895P Polycarbonate Series Cover Plates must be field modified for dual service.