"M. Adam Davis" writes:
>Arcing will still occur inside the mercury bulb, you just won't be
>able to smell it, and presumably it will be less visible.
>
>You might consider adding a small sealed (or solid state) relay into
>the electrical box with the light switch controlling the relay.
>
>One keyphrase you are looking for, however, is "intrinsically safe".
>An intrinsically safe device does not create sparks, among othe
>things.  You may be able to find light switches with this feature, and
>some of them may be mercury switches.

Thanks. I wasn't sure if they had been outlawed as the last one
I installed was in the early nineties. It was a spiffy one with
a neon light in the handle.

Martin McCormick WB5AGZ  Stillwater, OK 
Systems Engineer
OSU Information Technology Department Network Operations Group
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