The standard NEMA lengths for cable tray are 12, 20, 24 and 30-feet, although some manufacturers like Eaton offer cable tray in lengths up to 40 feet. With unmatched quality and service, we offer a variety of styles, materials and finishes to support virtually any cable management. Cable trays will support without collapse a 200 lb. 7 kg) concentrated load over and above published loads. To obtain mid-span deflection, multiply a load by the deflection multiplier. MPHusky Ladder Cable Tray is certified CSA, UL, NEMA, and approved for use in nuclear applications and is generally used in applications with intermediate to long support spans of 12 feet to 30 feet and as power cable or control cable support system. Channel Cable Trays consist of a one-piece. The maximum open spacings between cable support surfaces of transverse elements do not exceed 102 mm (4 in. ) in the direction parallel to the tray side rails (rung to rung). This design offers added cable protection., utilizing 100% domestic recycled steel, with minimized environm ntal impact finishes.
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