Plastic trunking sizes change, with widths ranging from 3mm to above 300mm, although depth can go from below 10mm to over 100mm. Plastic cable conduits are commonly found in workplaces, specially offices. Metallic cable trunking is often square, round, or slim and flat in profile. It may be fully enclosed https://electrical-trunking23344.mdkblog.com/42953219/helping-the-others-realize-the-advantages-of-cable-trunking