This includes disconnectable splices, in-line splices, transition splices, and trifurcating splices, all built for simplicity, performance, and reliability. Cold shrinking has various advantages. 3M Electrical Splices offer reliability and ease of use when tackling a wide range of installations and voltages. The 3M electrical splice product line covers splicing needs from 1000 V to 145 kV Class and utilizes field-proven technologies to provide dependable performance, stability and. Our broad portfolio of electrical joints and splices are made for low, medium and high voltage electrical connections. Our portfolio of power. ughest utility applications. These products provide a cost-effective method to splice medium voltage cables using a push-on motion, and allowing cable neutrals to be solidly connected across the body of the splice without th use of any external braids. The Elaspeed® is not a molded splice. Separable Connectors for MV and HV.