An emergency stop push button switch is used as a safety measure to stop hazardous parts loads an emergency stop switch must be highly visible in color and shape and must be easy to operate in emergency situations.
why emergency switch is used
A kill switch also known as an emergency stop E-stop emergency off EMO and as an emergency power off EPO is a safety mechanism used to shut off machinery in an emergency when it cannot be shut down in the usual manner.

THANK YOU VERY MUCH FOR WATCHING
THIS VIDEO PLEASE LIKE COMMENT
SHARE AND SUBSCRIBE THIS CHANNEL
https://www.youtube.com/channel/UCbaujx2XLU8NlvgCL_NkIdg