The PVC cable trunking is generally called wiring groove, electrical wiring trough, cabling channel, etc. It is made of PVC material and is featured by insulation, arc prevention, flame retardancy and self-extinguishing. It is mainly used for wiring, and plays a role of mechanical and electrical protection for the wires laid inside. After using this product, the wiring becomes more convenient, the layout becomes neat, the installation becomes reliable, which is easy to find, repair and exchange lines.