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Re: Alarm system transformer + power supply (would both go bad at once?)



Nightcrawler® wrote:
>
> "Danny D'Amico" <danny@xxxxxxxxxx> wrote in message
> news:pan.2013.11.27.04.42.05@xxxxxxxxxxxxx
>
>> The voltage from the secondary to the ground (middle screw) was weird
>> (see picture where it's 3.5 volts on one side, and 1 volt on the
>> other), which was wholly unexpected, but, probably
>> not important.
>
> Not weird at all.  The ground is electrically isolated from the
> secondary of the transformer.  What you are seeing is phantom
> readings.

Hi,
That's why I still keep and use old Simpson 260.
Probably I use it more than Fluke day in day out.


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