Insulating tape is then wrapped around this connection in order to reduce corrosion. [0073] As an alternative to the silver/silver chloride formulation, conductor 34 a may comprise conductive metal such as tin, silver, gold, copper, salts or oxides of these conductive metals, carbon, a substrate which has been coated with a conductive compound (e.g., polytetrafluoroethylene), an ink silkscreened o