The types of cables usually used in cable trays are type TC (article 340), PLTC (article 725), ITC (article 727), MC (article 334) and Communication Cables (800-52 (d)), MI (article 330). NEC section 300-8 does not permit any tube, pipe, or equal for water, air gas, drainage, steam, or any service other than electrical in raceways or cable trays containing. Cable trays play a key part in keeping fire protection systems working. Here is what they do: They Make Safe Paths for Fire System Wires Cable trays are made from materials that resist fire. If a fire starts, the tray protects the wires inside from flames and. This guide breaks down the six essential fire alarm cable types, focusing on their specific applications, compliance standards, and how they interact with cable tray containment systems to ensure building safety. FPL (Power-Limited General Purpose) 3 2. Control and instrumentation cables suitable for tray use. Data and. 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. Outdoor: Hot-dip galvanized or.