Alaternative Ballast replacement,provided by my boss
To explain first,
My boss had me check ballast in offce,found two 120v/0.80amp ballast. Wired in succession,only using the black and white wires from one ballast. And only insatalling two of four possible f12 t40 bulb placements. Both ballasts where leaking bad and had partial voltage. So I give my boss the specs for replacement ballasts. He comes back with two 120v/0.71amp-220voc ballasts. And says they're comparable go ahead and put them in. So I wire in same way as directed..Now different senerio..Lights wont light,acts like not enough amps for two bulbs let alone four....Ive asked other well capable electricians and they say sounds like you need more amps....I took readings on all the other lights,and voltage varied from 120v to 145v...Those are the spacifics guys....Can you shed some light please.