Some of the earlier Power Supplies connected to the green ground jack to the chassis ground but we stopped doing that some time ago. you Can simply snip the wire to earth if you like, or ad a switch as a ground lifter. More about the subject here http://www.cyndustries.com/modules_powerdist-FAQ.cfm Best Wishes! Cynthia http://launch.groups.yahoo.com/group/The_Cyndustries_List/
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Major Power Supply grounding
2010-01-18 by Cynthia Webster