Cable tray, which can be extended in the cable tray without limit in width. Ideal when the number of cables is large. The ramps on both sides are very sloping to facilitate crossing (wheelchairs/prams/trucks/cars) and are installed separately. Cable tray (or cable ladder) systems are a popular alternative to electrical conduit systems, as they have an outstanding record for dependable service, design flexibility and cost savings in commercial and industrial applications. Fittings can, on the one hand, be used for horizontal or vertical changing of the routing direction or, on the other, to change the height or width of the. Using a unique joining method that mechanically locks components together without fasteners or heat, this wiring trough ships completely assembled to save both time and labor. Designed for indoor use, this trough is available in various lengths. One piece 90 cm long, 90 cm deep (including both side. ABB designs and manufactures cable tray systems, including perforated tray, cable ladder, channel tray and strut (metal framing), directly from production facilities in Canada and Saudi Arabia.