joozu6
Electrical
- May 29, 2003
- 37
I'm looking for some data on determining when pulling rope burns though PVC conduit elbows in order to determine when to use rigid metal conduit elbows. My electric coop currently requires the use of rigid metal elbows for pulls over 250 feet. I would like to see data to support this. It's my opinion that it should be based on the sidewall bearing pressure, speed of pull, and the type of pulling tape (steel should generate less friction than nylon). Does anyone have any data or experience concerning this matter? My efforts to find specific data on this have been unproductive (Southwire, Carlon, IEEE, AEIC, etc.).
FYI: We pull 25kV urd XLP jacketed cable into 3" PVC, one cable per conduit.
Thank you in advance.
FYI: We pull 25kV urd XLP jacketed cable into 3" PVC, one cable per conduit.
Thank you in advance.