Ledes proudly announces that the Schedule 40 & Schedule 80 Conduit is certified under UL 651 for use with 90°C-rated wire, helping contractors meet local code ...

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All questions and answers are based on the 2005 NEC. Q. What is the minimum depth for placing Schedule 40 PVC conduit below a concrete slab? A. If it's under a building, there is no depth requirement.

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 ...

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 ...