Complete List of Cable Models for Climbing Cable Trays

Cable models suitable for climbing cable trays include Type TC, ITC, PLTC, and MC cables, each designed for specific voltage, shielding, and installation requirements.Cable Types for Cable Trays1. Type TC – Tray CableFactory-assembled with two or more insulated conductors, optionally including grounding conductors under a non-metallic jacket.Rated for 600 volts, suitable for industrial power or control circuits.Flame-retardant and UL-listed for Class 1, Division 2 hazardous locations.Can be installed in cable trays, raceways, or outdoor locations with messenger wire support.TC-ER variants allow short unsupported transitions between trays and equipment, secured every six feet . 2. Type ITC – Instrumentation Tray CableDesigned for instrumentation and control circuits operating at 150 volts or less and 5 amperes or less.Available in shielded or unshielded constructions, with multiple single conductors or twisted pairs.Sizes range from 22 AWG to 12 AWG.Dual-rated PLTC/ITC cables are available for flexibility in installation.ITC-ER cables require continuous support using mechanical protection and must be secured every six feet . 3. Type PLTC – Power-Limited Tray CableIntended for non-plenum and non-riser Class 2 and Class 3 circuits.Often dual-rated with ITC for broader application.Requires compliance with power supply listing requirements of NEC Article 725 . 4. Type MC – Metal-Clad CableAssemblies of insulated conductors with or without optical fibers, enclosed in interlocking metal tape or corrugated sheath.Can include a plastic overall jacket.Suitable for indoor and outdoor use, wet or dry locations, hazardous areas, aerial installations, direct burial (where identified), or encased in concrete.Rated for 600 volts and medium voltage applications, used for power, lighting, control, and signaling circuits.Must be supported and secured at intervals not exceeding six feet .Additional ConsiderationsCable Tray Compatibility: All cables listed are suitable for ladder, ventilated, or solid-bottom cable trays, including climbing or vertical runs, provided they meet mechanical support and spacing requirements .Material and Finish: Cable trays can be made of aluminum or steel, with finishes such as pre-galvanized, hot-dip galvanized, or powder-coated, ensuring compatibility with the selected cable type .Fittings and Accessories: Elbows, tees, reducers, covers, and joint connectors are available to accommodate changes in direction or elevation in climbing cable tray installations . This list provides a comprehensive reference for selecting cables for climbing cable trays, ensuring compliance with NEC standards, UL listings, and mechanical support requirements.