B
Are there any standards (API,CSA,UL,ISO etc) or
recommendations as to what color light(s) should be used to indicate the status of valves, motors or pumps?
One philosophy is: Red = ON/OPEN; Green = OFF/CLOSED The other is opposite. Which is more correct and by what standard?
Brian Kukulski
e-mail:[email protected]
recommendations as to what color light(s) should be used to indicate the status of valves, motors or pumps?
One philosophy is: Red = ON/OPEN; Green = OFF/CLOSED The other is opposite. Which is more correct and by what standard?
Brian Kukulski
e-mail:[email protected]