M12 PG Clamps TE Connectivity M12 PG Clamps are a cable-to-cable connector system available for American Wire Guage (AWG) 20 and 22. The M12 shell-type connectors are made up of metal and feature low fire hazard thermoplastic insulation. These connectors are gold-plated and built with polyamide housing material. The M12 PG clamps operate at a temperature range of -40ºC to 85ºC and have a current rating of 4A.