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Re: why ground an alarm panel.



"Bill" <bill190nospam@xxxxxxxxx> wrote in message
news:3vmfvmF16g7jeU1@xxxxxxxxxxxxxxxxx
> "mikey"  wrote in message
> > You're not forgetting that the panel has less than 20vac in there, are
> > you?
> > Safety hardly seems an issue... I short one of those wall warts if I
give
> > it
> > a sideways glance.
> >
>
> Well for "personal safety" issues, whoever might be touching the alarm
panel
> or associated wiring and devices (you, I, burglar), it is possible for a
> transformer to malfunction and send through house current, or perhaps an
> associated wire to come in contact with house current, or phone line to
come
> in contact with high voltage.
>
> And an air conditioning system can malfunction sending house current
through
> all the metal vents and an alarm wire might be shorting to same.
>
> All rare, but possible...
>
>

I'm sure it happens, I'm re-considering my stance.




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