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Re: Interference-SSTC



Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Fucian-at-aol-dot-com>

Ok, i have something to ask that may sound stupid(still taking engineering in 
highschool)

I am getting shocked bad with the Al enclosure grounded to house ground.I 
have the 3rd prongs wire connected to the Al box that houses the PSU and 555 
circuit.The Al heatsink and MOSFET are outside.

I am getting a reading of 122volts AC from enclosure to heatsink and the 
power is off!I am using a variac for in power.How can i get shocked?I touched 
the Al enclose and the heatsink just accidentally and ERRRRRRRRRRRRR!Felt 
real funny after the shock.

Otherwise, good output again and the MOSFET is staying pretty cool.

Matt