Which of the following descriptions about single-site commissioning is wrong?

After the hardware inspection of the single station is completed, make sure that all power switches are in the off position

It is strictly forbidden to plug and unplug the power plug and PIU single board while electrified

In the case of power failure, you can contact the board without wearing an anti-static wrist or anti-static gloves

If the input voltage of the equipment is not within the required range, a rectification suggestion should be put forward, and power-on is strictly

prohibited