Various circuit configurations for use in switch assembly used in a surgical hand piece system are provided. Plasma is activated in the gases in each of the zones separately and the activated gases are then introduced into the plasma processing chamber where they may undergo mutual interaction within a processing zone. A second brace is implanted within the tongue at a second implant location below the upper location. The insulative barrier has a slot that extends largely around the signal tail, and the sheet metal rear shield portion lies in the slot.