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members. <br /> B. Rigidly weld support members or use hexagon-head bolts to present neat appearance <br /> with adequate strength and rigidity. Use spring lock washers under all nuts. <br /> C. Install surface-mounted cabinets and panelboards with minimum of four anchors. <br /> D. In wet and damp locations use steel channel supports to stand cabinets and panelboards <br /> 1 inch (25 mm) off wall. <br /> E. Use sheet metal channel to bridge studs above and below cabinets and panelboards <br /> recessed in hollow partitions. <br /> CONDUIT <br /> REFERENCE STANDARDS <br /> A. ANSI C80.1 -American National Standard for Electrical Rigid Steel Conduit (ERSC); <br /> 2005. <br /> B. ANSI C80.3-American National Standard for Steel Electrical Metallic Tubing (EMT); <br /> 2005. <br /> C. ANSI C80.5-American National Standard for Electrical Rigid Aluminum Conduit (ERAC); <br /> 2005. <br /> D. NECA 1 - Standard Practices for Good Workmanship in Electrical Contracting; National <br /> Electrical Contractors Association; 2006. <br /> E. NECA 101 - Standard for Installing Steel Conduit(Rigid, IMC, EMT); National Electrical <br /> Contractors Association; 2006. <br /> F. NEMA FB 1 - Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit, Electrical <br /> Metallic Tubing, and Cable; National Electrical Manufacturers Association; 2007. <br /> G. NEMA RN 1 - Polyvinyl Chloride (PVC) Externally Coated Galvanized Rigid Steel Conduit <br /> and Intermediate Metal Conduit; National Electrical Manufacturers Association; 2005. <br /> H. NEMA TC 2- Electrical Polyvinyl Chloride (PVC) Tubing and Conduit; National Electrical <br /> Manufacturers Association; 2003. <br /> I. NEMA TC 3 - PVC Fittings for Use with Rigid PVC Conduit and Tubing; National Electrical <br /> Manufacturers Association; 2004. <br /> J. NFPA 70- National Electrical Code; National Fire Protection Association; 2008. <br /> QUALITY ASSURANCE <br /> A. Conform to requirements of NFPA 70. <br /> B. Products: Listed and classified by Underwriters Laboratories Inc. as suitable for purpose <br /> specified and shown. <br /> EXAMINATION <br /> A. Verify routing and termination locations of conduit prior to rough-in. <br /> B. Coordinate installation with other trades. Route conduit to avoid conflicts. <br /> C. Conduit routing indicated on drawings is approximate unless dimensioned. Route as <br /> Swift Green Line—Corridor Stations Special Provisions SP170 <br /> May 2017 <br />