Heath product with 120/240 slide switch instead of diff. wiring
Brian Carling
bcarling at CFL.RR.COM
Mon Sep 2 13:43:32 EDT 2002
On 1 Sep 2002 at 23:06, Marshall wrote:
> Hello, Murray and Group,
>
> The reason you don't see equipment switched for 120/240 volts is
> two-fold:
> 1. 120 volt line cord plugs are different from 240 volt plugs.
> Look at your toaster, and then your electric clothes dryer!
>
> 2. If this switch was set for 240 volts and assuming you could
> plug it into 120 volts, the secondary voltage would only be
> one half of what it was when selected for 240 volts, BUT...
> if the switch was set for 120 volts and you were able to
> plug it into 240 volts, the secondary winding would be
> TWICE as much, and that would absolutely ruin your day.
>
> Marshall M. Dues - WB5MYO
> Katy, Texas
Hmmmm... strange, but a LOT of gear is switchable for 1115 and 230 Volts. Many
power supplies, commercial, ham, medical etc.
I don't know about the older Heath gear because none is sitting on my bench at
present, but there is NO reason why they could not have made them switchable.
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