The Keysight 34102A is a low-thermal input cable for the 34420A. It consists of a custom mating connector attached to a 1.2 m shielded 4-conductor cable terminated in copper spade lugs. It ships with the 34420A. The Keysight 34102A is only compatible with the Keysight 34420A. 
 Key Features & Specifications: 
-  Length: 1.2 meters (48 inches) 
-  Termination: copper spade lugs / 34420A mating connector