As opposed to water piping, In the event the conduit should be to be watertight, the idea is to maintain h2o out, not in. In such a case, gaskets are made use of with special fittings, like the weatherhead leading through the overhead electrical mains to the electric meter. By https://knoxjbphv.livebloggs.com/35483152/little-known-facts-about-accessory-boxes