Thanks for the great responses guys, this is really quite helpful!
I was able to find some information in the links you sent waross, thanks!
And for crank108, you are right i am not in the gypsum mining industry. Working at a pulp & paper mill and the main concern is with H2S tarnishing and...
thread237-164753
I am looking into the pros and cons of using 120Vac or 24Vdc with respect to industrial environments. I have had some problems with 24Vdc failing in places where the adjacent 120Vac has continued to work and would like to find some papers or studies that look into this. I have...