There are some common problems with the market lead pipe. For example: rainwater enters the lead pipe and the cable is soaked in water for a long time. Although part of the treatment is to drill holes at the bottom of the lead pipe to achieve the effect of rainwater removal, after a long time, small animals or dead leaves and other debris will enter the lead pipe , Block the drain hole. This will damage the well and affect the cable line, which may cause leakage and cause large-scale blackouts and other undesirable consequences. The lead tube (column tube) occluder is mainly assembled by fasteners and silicone rubber. Provide effective protection for the safety of electrical equipment in all directions, thereby improving the performance of the pipeline network and reducing customer maintenance costs.