Plastic trunking measurements differ, with widths ranging from 3mm to over 300mm, though depth can go from under 10mm to in excess of 100mm. Plastic cable conduits are generally located in workplaces, especially offices. Conduit has strict guidelines on cable fill (normally 40% of its inner diameter) to prevent overheating. https://ricardoiznbp.blogsvirals.com/35995429/details-fiction-and-cable-trunking