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 ...

Should PVC schedule 40 pipe and fittings continue to be permitted for combustion exhaust venting? You and I have come across PVC that has gone from white to many colored shades: from light yellow to ...

All questions and answers are based on the 2017 NEC. Q. What uses are not permitted for PVC conduit by the NEC? A. PVC conduit is not permitted to be used in the following locations: Hazardous ...