Perforated rungs on a ladder-type tray securely fasten cables using cable ties. Additionally, their open design prevents moisture. Cable trays support insulated electrical cables in industrial and commercial settings. There are several types of cable trays, including ladder, perforated, solid bottom, basket, and channel trays. Each cable tray type performs a different function and comes in various materials such as aluminum. As the industry leader in cable tray, Eaton offers one of the widest ranges of B-Line series cable management solutions available in the market today. Ladder Cable Tray The ladder-type cable tray is designed with two long side rails that are connected by evenly spaced rungs, resembling a ladder. They come in different sizes to make the process effortless.