ASTEC LPS152 SUPPLY POWER 5 VOLT AZONIX PART NUMBER PWR-05 AC/DC MODEL RH101B-2000-0010 OR RH101B-2000-0002. THIS ITEM IS POWERED FROM A THREE-PHASE UNGROUNDED AC ELECTRICAL SYSTEM AND AS SUCH MAY BE SUBJECTED TO CONTINUOUS 208 VAC LINE TO GROUND AS A RESULT OF GROUND FAULTS ON THIS SYSTEM.