Preformed Line Products PT-464-R200 PROTECTOR TUBING 0.464" UNSLIT 200 feet Protector tubing protects energized lines from faults due to incidental contact caused by various types of wildlife. The durable EPDM® tubing is a minimum of 125 mils thick with a dielectric strength of 500 V/mil and has excellent resistance to ozone and petroleum based solvents. The tubing is not intended to insulate energized lines from human contact.