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[Phys-l] dielectric safety



Students in a colleague's lab were pulling apart a defunct portable CD
player today to get parts for another project. One student wanted to know
if it was OK for him to cut open one of the capacitors to see what it
looked like inside. The teacher said she wasn't sure and asked me if I
knew if any of the materials inside were likely to be hazardous. I said I
didn't know.

I feel pretty confident about the safety measures we're taking to prevent
electric shock, but could anyone on the list comment about the safety of
cutting open a discharged capacitor salvaged from consumer electrincs?

thanks

david strasburger
Noble & Greenough School
Dedham MA