Low-voltage line ground fault indicator

The utility model relates to a low-voltage line grounding fault indicator which comprises a power supply circuit, a signal output circuit, a wiring device, a control management circuit, an output indication circuit, an electric leakage detection circuit and a short circuit detection circuit. And the control management circuit is electrically connected with the signal output circuit, the output indication circuit, the electric leakage detection circuit and the short circuit detection circuit respectively. The beneficial effects of the invention are that the low-voltage line grounding fault indicator is installed to locate the low-voltage grounding fault phase, which is helpful for improving the reliability of power supply, reducing the number of repetitive actions of the fault, reducing thedifficulty of manually searching the fault point, improving the working efficiency of operation and first-aid repair personnel, and improving the working efficiency. And automatic, safe, stable, economical and efficient oper