When reliable insulation and protection is a must, turn to the 3M 8420 Connector Insulator to protect all your solid dielectric insulated wires and cable splices. An ideal choice for adding impact resistance to air-insulated, high-voltage lugs and connectors, this cold shrink insulator installs without the need for any tools and conforms securely to prolong the life of your installations. It offers an outstanding, moisture-tight seal, which makes all the difference when insulating direct buried and submersible, dig-in repairs, in addition to secondary splices. This hard-wearing insulator maintains firm pressure throughout years of wear, making it a top performer on a wide range of applications. This product is ANSI Certified and RoHS 2011/65/EU Compliant.