There is no fireproof bridge in the cable tray
Trough and tray-like appearance basically no difference trough bottom no hole tray bottom with hole ladder bottom like ladder like (H)
The trough cable tray is a fully enclosed cable tray that is best suited for laying computer cables, communication cables, thermocouple cables and other high-sensitivity control cables, etc. It controls cable interference and heavy corridor Protection is better
The trough is closed; the tray is the bottom of the bridge there are many waist-shaped hole to facilitate the heat; ladder of the bottom like a staircase, the side of the baffle, dusty places with ladder, not fouling. The trough and tray are different from the bottom, with holes and no holes. Trough is not conducive to heat, tray heat slightly better.
