What causes nylon damage in underground conduit?
Nylon damage in underground conduit seems to occur more frequently than in conduit systems indoors. We have observed that nylon tearing rarely occurs in clean conduit. Underground conduit, despite efforts to keep debris out, will collect dirt, rocks, and other debris. It is recommended that all conduit is cleaned out prior to conductor installation, especially if it is underground conduit. Care should be taken to ensure the cable is centered in the conduit when paying off the reel. A conduit bushing should be used to reduce the possibility of the conduit lip damaging the cable. Specifying Conduit Proofing Cable is commonly damaged due to debris left in the conduit during installation. Prior to pulling the conductors it is considered good practice to proof the conduit system. The purpose of proofing the conduit system is to ensure the conduit is intact, not crushed or disjointed, and the conduit is clear from debris that could damage the conductor jacket or insulation. This is accomplis
