Explanation: A change to the 2023 NEC in Sec. 342.20 now permits a maximum size of 6 in. in-lieu of the previous maximum size of 4 in. for intermediate metal conduit. A similar change to Sec. 358.20 ...
Although engineers and electrical designers recognize the performance advantages of using PVC-coated conduit in corrosive environments, making sure field installers understand and adhere to accepted ...
What do you know about rigid polyvinyl chloride (PVC) conduit? I had almost no experience with it until I spent a brutal, windy Minnesota fall installing 4 in. PVC conduit underground at a new ...