Lock out moisture and help prevent damage to your cable splices and solid dielectric insulated wires by using the 3M 8420 Connector Insulator. Offering a convenient cold shrink design, the insulator installs easily and provides lasting pressure and resilience to extend the life of your work. Its EPDM rubber construction is both pliable and hard-wearing, making it ideal for protecting air-insulated, high voltage lugs and connectors from physical impacts. A great choice for insulating direct buried or submersible, dig-in repairs as well as secondary splices, this insulator is a top performer on your job. This product handles operating temperatures of -40 to 194 degrees F (-40 to 90 degrees C) and is ANSI Certified and RoHS 2011/65/EU Compliant.