Lever action assembly provides both old style and new style connectors thus eliminating costly change-over from brass connector to new, all-rubber connector. Unique molded assembly - free of maintenance. Connectors are water - and dust-tight when engaged. Engages mechanically - eliminates couplers seizing together. Manganese bronze connector provides immediate connect. Two O-ring seals in manganese bronze casting. All rubber connector - will not go out of round. Six-fingered female contact pin for positive contact with male pin. The connectors and cable are CSA certified.