Electrical Cable - Acceptablity of PVC for Sub zero temperature
Electrical Cable - Acceptablity of PVC for Sub zero temperature
(OP)
We need to install cable at a project site where the temperature goes 30 degrees below zero during winter. Is it OK to use PVC as the insulation and outer sheath material. As per my information PVC can be used upto -5 deg C and bcomes hard and brittle at lower temperature.
Is it OK to go with PVC insualtion but PE outer sheath for such an application.
Is it OK to go with PVC insualtion but PE outer sheath for such an application.






RE: Electrical Cable - Acceptablity of PVC for Sub zero temperature
RE: Electrical Cable - Acceptablity of PVC for Sub zero temperature
There will probably be two temperature limits: one for installation - pretty tough pulling in PVC cable at -30 I would guess - and a limit for operation after installation.
RE: Electrical Cable - Acceptablity of PVC for Sub zero temperature
RE: Electrical Cable - Acceptablity of PVC for Sub zero temperature
+ 40 degrees or below} make sure it's warm. Build the necessary temporary shelters and heat it. It can take a couple of days to heat a large reel of cable. In addition you may have to heat the ducts by blowing hot air through them.
Any cable at 20 below makes a giant slinkly toy.