Hi Joe, What about stepping down to 24VAC or 48v if you have such transformers and stepping up to 230V outside. Isn't there a voltage below which you can do what you like, maybe 48VDC. Yours is a low current requirement IIRC. Brian Harris subject=Re:[EE:] Mains outside source= http://www.piclist.com/piclist/2007/01/19/074006a.txt? --- http://www.piclist.com/member/222.153.240.69 PIC/PICList FAQ: http://www.piclist.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist