Weather-resistant duplex GFCIs are built to meet every need in commercial, industrial and institutional settings, whether permanent or temporary – and is fully compliant with the latest UL943 standards for GFCIs, providing the most recent change to the standard by offering self testing capability. Complies with 2017 NEC Article 406.9 that states that all receptacles installed in wet or damp locations must be weather-resistant. Weather-resistant receptacles offer protection from rain, snow, ice, moisture and humidity when properly installed in an approved weather protective or while-in use cover. Weather-resistant receptacles are for use in any residential or commercial outdoor location. Designed with enhanced nylon and corrosion-resistant metal components weather-resistant receptacles are extra durable. Combine WR receptacles with any of our WeatherBox while-in-use protective covers for tough protection against the elements.Provides compliance with 2017 NEC Article 406.9 that states that all receptacles installed in wet and damp locations must be weather-resistantManufactured with the highest grade materials; durable impact-resistant thermoplastic face and back body is virtually unbreakableTR designation provides visual identification that device has tamper resistant shutters preventing insertion of foreign objectsWR identifier quickly indicates during inspections that a weather resistant receptacle has been installedTerminal screws backed out ready for wiringExtra-long and extra-wide mounting strapsPatented built-in wire stripper for #12 and #14 AWG wire to speed installationSide wire terminals accept up to #10 solid or stranded wire