A receptacle, or AC outlet, tester plugged into an AIMS Power inverter indicating an “open ground” fault. It’s impossible to get this indicator to shut off unless connected to a metal rod in the Earth, which is obviously impossible in a boat and/or car that’s moving.
Eric Lee Castillo is a public relations director at AIMS Power covering the latest trends in the inverter and solar power industry at http://www.aimscorp.net/