HV tracking across flexible PCB strips

tony duell ard at p850ug1.demon.co.uk
Mon May 11 15:17:46 CDT 2015

> Hmm, while regular electrical tape is only rated for 600V, Scotch-brand
> "splice tape" is rated for close to 22kV. Of course that's *through the
> tape* though, so although it would insulate the conductors from the outside
> world, it's not clear how effective it would be at insulating the two
> conductors that are only a couple of mm apart; the tape doesn't really play
> a part in that scenario, only the glue.

Given that flashovers don't seem to do any damage, I would be inclinded to just 
try the tape first and see if it will stand up to the voltage. If it is only 3kV, I suspect
it will. I would not start cutting the flexiprint unless you have to.


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