They are available with various types of corrosion-resistant finishes; usually hot-dip or mill galvanized. Dry indoor rooms should use pre-galvanized (PG) steel. The wrong one is the most common error, which results in rust showing itself much earlier than. A galvanized cable tray is a metal pathway system used to support, protect, and route electrical cables within a building or facility. These trays support electrical cables and protect them from damage. Understanding how to select the correct tray can save you time and money during the installation process. What is Cable Tray? A cable tray is a unit, or set of units. Ladder type cable tray, also called cable ladder or HDG cable ladder, is the most economical cable tray which is made with prefabricated C channel metal structure processed by galvanised and hot dipped galvanised method and connected by parallel transverse rungs to provide maximum ventilation in.
