Plastic trunking sizes differ, with widths starting from 3mm to around 300mm, though depth can go from beneath 10mm to over 100mm. Plastic cable conduits are generally present in workplaces, especially offices. Metal trunking must be installed over the surface area of the partitions, columns, and beams or flushed with https://electricaltrunking79012.sharebyblog.com/36831147/helping-the-others-realize-the-advantages-of-cable-trunking