PVC conduit is just one type of conduit, primarily used for internal wiring in electrical equipment. The commonly used one now is environmentally friendly flame-retardant PVC conduit.

1. PVC conduit features insulation, arc prevention, and flame-retardant self-extinguishing properties.

2. PVC conduit primarily serves the purpose of mechanical protection and electrical insulation.

3. PVC conduit wiring is convenient, with neat layout, reliable installation, and easy for tracing, repairing, and replacing lines.