PVC Conduit Support

[delectric123]

Do you think its necessary to support 1" sch40 PVC conduit every 3 ft.?

 

[Cow]

Absolutely.

 

[delectric123]

i've seen installations where its perfectly sturdy @ 4 ft.

 

[readydave8]

i've seen installations where its perfectly sturdy @ 4 ft.

In hot or cold or large temperature change situations the more support the better, I've run straight runs and come back to find them no longer straight.