Safe mark tablet of current conversion station

The utility model provides a safe mark tablet of current conversion station, its includes sign plate body, all be equipped with sign show window on the positive and negative at sign plate body middlepart, sign plate body is equipped with the hanging hole in the top of show window, hanging hole under the below of show window is equipped with, sign plate body's upper end is equipped with the couple, one side of sign plate body is served and is equipped with first strap, the opposite side is served and is equipped with the second strap, be equipped with circle hair or seta on the first strap, beequipped with with first strap matched with seta on the second strap or make plausible the hair. The utility model discloses sign plate body's positive and negative all has the show window, even blown and turn over, the wherein show window of one side also can be seen in the positive and negative to the maintainer, can not result in distinguishing the denoter because of being blown to turn over,and can connect through fir