Earth-Rite MGV, a new static control system for vacuum loading trucks, checks the viability of the ground connection before material transfer can begin, then continuously monitors the status. The system is CSA approved for Class I II II, Division 2 hazardous locations in the U.S & Canada, also ATEX & IECEx certified. Powered from the vehicle’s 12 or 24 volt system. Comes with a 50 ft. spiral cable and stainless steel grounding clamp with tungsten carbide teeth.