Connected by a short cable to the Smith-Root Tote Barge cathode plate, controls electrofishing output. It also expands the electrofisher output by providing connectors for up to three Extension Cables. An ‘in use -or- off’ switch for two of the three electrode connectors allows use of 1, 2, or 3 electrodes. All active electrode pole switches and push handle must be operated simultaneously to provide electrofisher output.