High-voltage power-on alarm

The utility model discloses a high-voltage power-on alarm which comprises a connecting assembly, a power supply module and a sound alarm module. One end of the connecting assembly is connected with the live detection end of the sound alarm module, and the other end is connected with the phase line detection end of the live indicator. The power supply module is connected with the power supply end of the sound alarm module. According to the utility model, the alarm composed of the connecting assembly, the power supply module and the sound alarm module is connected to the phase line detection end of the live-line indicator, and when equipment detected by the live-line indicator is live-line, electric signals are transmitted to the sound alarm module through the connecting assembly, and sound alarm of the sound alarm module is triggered. Therefore, an operator can receive the sound prompt indicating that the equipment is electrified at the first time, so that the operator can timely perceive that the equipment is