Plastic in-use weatherproof covers are easy to install and include adhered gasket, mounting screws, base, cover assembly and inserts to meet the needs of a variety of applications. Complies with 2017 NEC Article 314.15 for damp and wet locations Heavy-duty UV stabilized polycarbonate cover, mounting base and inserts 1/8 in (3 mm) THK, pre-adhered neoprene gasket with slits for mounting screws All models accept up to 1/4 in (6 mm) Dia shank, except WP3100C & WP3103C accept up to 1/8 in (3 mm) Dia shank Three inserts provided with all models that allow each model to meet multiple installations (up to 16 configurations)