3M™ molded rubber QS in-line JCN/CN splice kits 5400 series are in-line splices designed for use on 15 kV concentric neutral (CN) or jacketed concentric neutral (JCN) cable. The continuous current rating of each splice is equal to the current rating of the cable it is sized to accommodate. Meets requirements of ieee 404 for cable joints. Jacketing kit is needed for JCN cable. Each kit makes one splice. Connectors, unless specified, are not included in the kit, and must be ordered separately. Note: cable sizes shown below are for standard insulation thickness. Final determining factor is cable insulation O.D.