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Old June 15th, 2017, 03:13 AM   #1
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Join Date: Nov 2006
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OK to Tie Powersupply Common to Chasis Ground?

Wondering what are the pros/cons of tying Power +24VDC supply Common to chassis (earth) ground. Is it OK to do so? I have seen some control panels where this is done and others without. I have also seen Dual polarity supplies +/-15VDC commons tied to chassis ground as well. What determines if a power supply common should or shouldn't be tied to a chassis ground?

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