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>Posted on 26 Sep 1996 at 12:21:01 by david (d.p.) pearson

>John
>You have to admit, the magnetic switches are not really optimal in
>this case.  They are great if you don't want to handle power, but
>you will need some sort of current amplification to run anything
>over a 2W bulb.  As soon as you add this circuit (typically a relay)
>you have reduced the reliability below that of a mechanical switch.
>The point being that you have to add components to compensate for
>picking the wrong component.  I believe this is what George refers
>to as "Convoluted".

I readily admit that I need current controlling elements
in addition to the  magnetic switch but I am not limited
to mechanical relays.

The magnetic switch does bring liabilities as you, Tom
and George have argued.

The magnetic switch has advantages in that there are no
twist-on operation to leak and/or seize-up and there is
no through-hole seals/boots/levers that can fail.

In my opinion it's a solution that deserves some pondering
before drilling hole for the mechanical switch.

John

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