Mike Lamb Posted March 9, 2015 Report Share Posted March 9, 2015 Besides rust and no fasteners for support. Is this technically OK? Click to Enlarge 36.33 KB Click to Enlarge 127.18 KB Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted March 9, 2015 Report Share Posted March 9, 2015 Aside from rust & the lack of fasteners, sure. The conductors inside should be listed for use in wet locations and derating should apply to them for the heat. If the conduit is being used as the grounding conductor, then it'll be important that it not have any breaks. But, at the most basic level, there's nothing wrong with using EMT on a roof. Quote Link to comment Share on other sites More sharing options...
Speedy Petey Posted March 15, 2015 Report Share Posted March 15, 2015 I would disagree with Jim. That conduit is not secured. It still needs straps at regular intervals. Also, simply laying it on the roof like that is about a hack of a job as I have seen. It would have been easier for them to just lay UF on the roof, and similarly workmanlike. Typical roof conduit sit on blocks or strut, or strut on blocks. There are even a few commercial products for just such an installation. Quote Link to comment Share on other sites More sharing options...
hausdok Posted March 15, 2015 Report Share Posted March 15, 2015 Jim said "aside from rust and lack of fasteners." He's saying that if it gets properly secured there's nothing wrong with it. Maybe you just missed it. ONE TEAM - ONE FIGHT!!! Mike Quote Link to comment Share on other sites More sharing options...
plummen Posted March 26, 2015 Report Share Posted March 26, 2015 I would disagree with Jim. That conduit is not secured. It still needs straps at regular intervals. Also, simply laying it on the roof like that is about a hack of a job as I have seen. It would have been easier for them to just lay UF on the roof, and similarly workmanlike. Typical roof conduit sit on blocks or strut, or strut on blocks. There are even a few commercial products for just such an installation. What he said. Quote Link to comment Share on other sites More sharing options...
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