Specifications include, but are not limited to: a. Typical NEMA Enclosures and Usage 1). NEMA 1 - Indoors. Falling dirt. 2). NEMA 2 - Indoors. Falling dirt. Falling liquids. Light splashing. 3). NEMA 3 - Outdoors. Sleet, snow, rain. Windblown dust. 4). NEMA 3X - Same as NEMA 3 plus corrosion resistant. 5). NEMA 3S - Same as NEMA 3 plus mechanism operable when ice covered. 6). NEMA 3SX - Same as NEMA 3S plus corrosion resistant. 7). NEMA 3R - Outdoors. Rain, snow, sleet. 8). NEMA 3RX - Same as NEMA 3R plus corrosion resistant. 9). NEMA 4 - Indoors. Falling dirt. Falling and light splashing liquids. Flying dust, lint and fibers. Hose down.; a. Store products in clean, dry space. b. Maintain factory wrapping or provide cover to protect units from dirt, water, construction debris, and traffic. c. Handle in accordance with manufacturer’s written instructions. d. Handle carefully to avoid damage to components, enclosure, and finish. Lift only with lugs provided for the purpose. e. Provide supplemental heat if required to prevent moisture contamination.; a. Coordinate location of openings, chases, furred spaces, etc. with appropriate Contractors. Provide sleeves and inserts that are to be built into structure during progress of construction. b. Remove temporary sleeves, if used to form openings, prior to installation of permanent materials. Utilize minimum 24 ga galvanized sheet metal for permanent sleeves unless otherwise noted. c. Provide Schedule 40 carbon steel pipe with integral water stop for steel sleeves required below grade or to exterior. d. Submit to Structural Engineer for review and approval size and location of core-drilled holes prior to execution