Cable core covered with mylar binder tape, longitudinally applied corrugated copper tape shield, and overall black PVC jacket. Available with tinned conductors. Suitable for use in hazardous locations: Class I - Div 2, Class II - Div 2. Tray cable comes in many different styles, featuring a variety of layouts, insulations, jackets, shields, and even colors. While figuring out what color your conductors are may not seem like a big deal, understanding the codes and color schemes associated with them will help dictate its use and. The American Public Works Association (APWA) established a standardized color-coding system, to guarantee consistent and clear communication for safe excavation when marking underground infrastructure like gas lines, electrical cables, and water mains. 5" y 18" (40 mm by 450 mm). The facility color and facility owner identity may be added of-service buried lines. Marks and. s in commercial and industrial environments. Suitable for installation in cable trays, supported by messenger wire in open air, raceways, channels, conduits and ducts, direct burial or joist pull applications not exceeding 600 volts and outdoors in cabl light resistant PVC rated 90°C per UL 1277. In the 2023 NEC ®, language was added in Article 690 to provide additional details for single-conductor PV wire smaller than 1/0 AWG installed in cable trays. 31 (C) (2) has allowed the use of PV or distributed generation (DG) cable in cable trays for PV installations but until this. Three or four copper conductors, stranded and insulated with heat and moisture resistant, chemically crosslinked polyethylene (type XHHW-2 or RW90), phase identified and cabled together with fillers (when necessary) and bare copper ground conductor.