PVC Covered steel conduit. Vacuum jacketed steel for high flex installations. Designed to provide high mechanical protection in a highly flexible format C-SERIES conduit can be used in a wide range of dynamic and static applications as well as commercial and industrial environmtnes. A unique vacuum extrusion process allows C-SERIES conduit to have a thin PVC jacket, which does not restrict the excellent flexibility characteristics of the inner core and also offers a degree of weather proofing. UL94V0 rated. Also available in LSOH & RoHS versions.