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Re: Variac Safety

Of course labs today ought to have GFCI outlets. Our newer labs
do, but our
older labs do not.

An excellent solution for the older lab is to have a portable GFCI outlet. These are easily purchased at a lumber yard or hardware store, and they protect your life for a few dollars. Of course a polarized plug can also be added for a few cents to prevent uncomfortable shocks you can still get with a GFCI. As a matter of fact the portable GFCI would be a good idea for any demo where wires may be exposed.

John M. Clement