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Re: why ground an alarm panel.



  A rule for someone who intends to meet the purpose of the
National Electrical Code and UL is simple.  If it has
conductive parts that a human can touch, then somehow those
parts must connect to building's safety ground system.

mikey wrote:
> "Bill" <bill190nospam@xxxxxxxxx> wrote in message
> news:3vmfvmF16g7jeU1@xxxxxxxxxxxxxxxxx
>> ...
>> 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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