Which cables should be run in fireproof cable trays
In all instances cables utilized within a cable tray system should be UL listed and marked as cable tray rated. Scope: Firestopping for busway, cable trays, cables, and trunking passing through walls in enclosed electrical installations. They are protected by either a plastic Jacket or metal armor over individual conductor insulations. Cablofil cable tray is the preferred choice for the cable containment of low and high voltage electric cables where fire resistance is crucial - this includes cable basket tray systems for Prysmian FP (FP400 and FP600) and Draka Firetuf type cables. 305(a)(3), or comparable standards promulgated by States operating OSHA-approved State plans. In addition, this document contains several references to provisions of the National Electric Code.
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