nwilson wrote:
Can ac adapters be connected in series on dc secondary to increase dc voltage with out burning out the secondary windings? Have number of them 12 volts, would like to reach the 30, 40 volt range.


Don't forget that the lowly telephone outlet has 52 VDC, typically in most locations. Sometimes it will be only 50, and I have seen it as low as 48.

This source supplies ample current. This methods of CS generating offers the smallest, most portable, and cheapest CS generator. Parts usually cost $ 5.00, if you buy the best alligator clips.

    Wayne