Temperature rating

[domnic]

What is the temperature rating of schedule 40 pvc ?.( 2011 code)

 

[JFletcher]

Code requires that PVC be listed, does not specify the requirements. As far as I know, all of it is listed for 90 degrees C, code limits it to installations were ambient is 50 degrees C or lower.

 

[infinity]

From Carlon Page 168:

Schedule 40 PVC Rigid Nonmetallic Conduit (RNC).
(Heavy Wall EPC)
Listed for underground applications encased in concrete or direct burial.Also for use in
exposed or concealed applications above ground.
• Sunlight resistant • Rated for use with 90˚C conductors • Superior weathering characteristics

 

[domnic]

PVC

PVC

Code requires that PVC be listed, does not specify the requirements. As far as I know, all of it is listed for 90 degrees C, code limits it to installations were ambient is 50 degrees C or lower.

PVC 50 degrees c ambient, rated for 90 c wire. help I do not understand. ( 50 c what article 2011 code )

 

[JFletcher]

PVC 50 degrees c ambient, rated for 90 c wire. help I do not understand. ( 50 c what article 2011 code )

It's article 352.12 (D) and (E) in the 2008 NEC, I do not believe it changed in the 2011.

 

[domnic]

pvc

pvc

It's article 352.12 (D) and (E) in the 2008 NEC, I do not believe it changed in the 2011.

Thank you I GET IT.