>Lexan (polycarbonate) has a strength of 364 volts DC per mil, so a piece
>of 1/4" would stand up to 91,000 VDC, theoretically. Depending mostly on
>what you're going to use the bobbin for, this should be greatly
>underated.
>
>
I guess it should hold up to 12-15Kvac. I building a transformer and the
secondary will be on a bobbin directly over the primary. It may take me six
months to wind the secondary though!
Frankensteins
Helper
Max