Solid Base Enclosed Cable Trough in Custom Sizes | Anti-rust Trough Cable Tray for Protected Power & Signal Cable Installation Product Overview To sustain stable operation of power and communication systems, cables must be shielded from adverse external conditions. Our solid-base trough cable tray features non-porous bottom panel, making it different from ventilated perforated cable trays. Paired with removable matching covers, it creates a sealed routing channel to shield