The AM11 earthing connector is intended to be used for potential equalization of ventilation ducts. The earthing connector has a single pillar terminal accepting copper conductor with cross-section of 1,5-10 mm². Pillar terminal screw has SL-PH1 head. The terminal bar is made of tinned copper and pillar terminal of galvanized steel. Connector has two fixing holes with Ø 3,2 mm diameter, for blind rivets. Peeling lenght of conductor is 15 mm and tightening torque of pillar terminal is 2,5 Nm.