Non-Metallic Trunking

Non-Metallic Trunking Points : Non-Metallic Trunking, Wiring System Non-metallic thinking is used in domestic or commercial premises, particularly where rewiring of existing buildings, is required. The non-metallic trunking system is also surface mounted. Industrial non-metallic trunking is also available, in a range of sizes up-to 150 x 150 mm. Low voltages insulated or sheathed cables may be installed in plastic trunking.. The area where mechanical risk of injury is present, the trunking must be suitable protected. It is easier to install and it has a resistant against corrosion. The disadvantages are that there is no metal screening between low voltage, telephone or other cables which may be run in the different compartments and there are limits, to the ambient temperature in which the system can be installed.