PLTC is the abbreviation for power-limited tray cable, a cable rated for power-limited circuits and approved for installation in cable trays.
PLTC stands for power-limited tray cable, a type of cable rated for use on power-limited circuits and approved for installation in cable trays. Cable trays are open support systems that route and support cable through industrial and commercial facilities, and tray-rated cable is built to withstand the conditions of that environment, including support over spans and exposure within the tray.
Power-limited circuits operate within defined limits of voltage and power, and cable like PLTC is constructed and rated to suit these circuits. The tray rating reflects the cable's suitability for the mechanical and fire-performance demands of cable tray installation.
In commercial and industrial facilities, power-limited tray cable supports control, instrumentation, and signal circuits routed through cable trays. Selecting the correctly rated cable for the circuit type and the tray environment is part of building a compliant, dependable system.
Because cable trays are open support systems routing cable through facilities, tray-rated cable like this is built to withstand support over spans and exposure within the tray, with the power-limited rating reflecting the defined voltage and power of the circuits it serves.
At Windy City Wire, the focus on low-voltage cable includes tray-rated types like PLTC for control and signal applications. Supplying cable carrying the appropriate ratings helps commercial and industrial facilities apply the correct product for cable tray installations.
PLTC (Power-Limited Tray Cable)
NEC (National Electrical Code), which defines power-limited tray cable requirements