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Re: Color code for home alarm wiring



Okitoki wrote:
> Now I have another topic that should raise some eyebrows...
>
> Why in all of these years do we use +12V and -12V? In electronics, the
> difference is 24Volts!! In Electronics you should use +12V and 0V. But
> they use plus and minus on everything!! On panels, on batteries,
> everything! Could someone technically explain why -12V is used instead
> of 0V's?
>
> Thanks!
>


Because.


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