Connect Your Powerhouse Power Supply Directly To The Track With The Tmcc Direct Lockon Featuring A Selectable Current Setting (For The 135Watt Or 180Watt Powerhouses) The Direct Lockon Eliminates The Need For A Powermaster If You Run Only Tmccequipped Locomotives For Added Safety The Direct Lockon Provides Overcurrent Protection And An Automatic Reset It Is Compatible With Both Lionel Fastrack And Oo27 Track Systems Includes Power Wire With Fastrack Connectors And One Standard Lionel Lockon