Electric power is warning device for safety

The utility model discloses an electric power is warning device for safety, including PID controller, box and plane warning device, touch display screen is installed to box front end surface upper end, the screwed connection sleeve is installed to the inside bottom of box intermediate position, the side wall mounting of PID controller top one side box has the voltameter, the terminal is all installed to the surperficial both sides in box upper end, the siren is installed to the surperficial intermediate position in box upper end, the siren has the barn door through toughened glass board overlap joint all around, the reflector panel has been installed to the barn door upper end, plane warning device installs the intermediate position in the reflector panel upper end, the upper and lower both ends of plane warning device both sides inner wall are all installed and are suppressed the spring, it has the warning drawing board through shell fragment bayonet lock joint to suppress the spring.The utility model disclo