When cable trays intersect below pipelines carrying corrosive liquids or above pipelines carrying corrosive gases, the distance should not be less than 500 mm. Additionally, at the intersection, the cable tray should be protected with a corrosion-resistant cover plate, and the. Cable trays and pipes serve as the backbone of electrical and fluid transportation systems in both residential and industrial environments. Cable trays and pipes work together to manage the flow of electricity, fluids, and gases, with cable trays primarily supporting electrical cables, and pipes. When the cable tray is erected in parallel with various pipelines, the net distance shall meet the following requirements: 1. If unavoidable, the distance. Are there any guidelines regarding the horizontal distance of gas installation and surface-mounted electrical installation in cable trays? It is about the distances that should be kept between these strings Personally, I have not heard of such a thing, but it does not mean that there is no such. Mandatory separation distances between electrical components and gas lines are governed by national and local codes prioritizing public safety. These regulations minimize potential hazards that arise when the two utility systems are in close proximity during new construction or renovation.