> Right, so if this is a "True RMS" meter, it would be reading > 9.6V RMS - so the *peak* voltage would be 9.6 * sqrt(2), so > way above your capacitors' 10V maximum. Nobody has > emphasised this: the peak voltage is what matters for a > capacitor's survival. Did you notice the sqrt(2) in my first reply? Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist