[Eddie01]

That is not a reset button, it is literally an emergency stop or “e-stop” switch. ... a KILL switch!

https://www.google.com/search?q=e+stop+switch&biw=1200&bih=608&source=lnms&tbm=isch&sa=X&sqi=2&ved=0ahUKEwieztOvlfrQAhUNwGMKHX1eA2QQ_AUIBygC&dpr=1.6

[Iron Munro]

That is not a reset button, it is literally an emergency stop or “e-stop” switch