This guide breaks down cable tray applications by industry, explaining why they are used, where they fit, and which types work best. If you're planning a project, this will help you make faster, more practical decisions. A cable tray is an essential component in electrical installations designed to support and organize electrical cables and wires. Each cable tray type performs a different function and comes in various materials such as aluminum. It is no longer possible to register as a new user on the Elfa Distrelec website. They feature two longitudinal rails with rungs in between, resembling a ladder. This design manufacturing plants. Selecting the right tray helps improve safety, heat dissipation, cable life, and ease of maintenance across industrial and commercial projects.