The 3M™ cold shrink connector insulator 8420 provides you with long-lasting strength and force as well as a moisture-tight seal. Use it for all your solid dielectric insulated wire and cable splice jobs. It offers great protection for high-voltage, air insulated connectors or lugs and allows you to easily insulate secondary splices and direct buried or submersible, dig-in repairs. This product is ansi certified and rohs 2011/65/EU Compliant.