Inquiry (采购产品): Tech Information I have 6 EN428 obtical assemblys with 400 watt S51 type lamps, PRI amps 1.7 PRI volts 277, 60 Heerts. Can the ballast be modified to run on 220 volts ( 3 wire ) ????? My use is an indoor Horse arena. Please advise **** Hidden Message ***** Ed Kauppila P. O. Box 1641 Nevada City,, CA 95959 USA Company: Garland Marketing Phone: 530-478-9260 E-mail: kauppila@ncws.com **** Hidden Message ***** kauppila@ncws.com
