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David Nebenzahl David Nebenzahl is offline
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Default House wiring problem

On 4/4/2010 3:15 PM Steve Barker spake thus:

Dave wrote:

Wow. So, bottom line is, an analog meter is the only thing you can really
trust?


I believe there was a trick to make a digital meter NOT show phantom
voltage, but i don't remember what it is.


Simple: put a large-ish resistance (say, 50-100K ohms) across the leads
to reduce the input impedance. This will shunt any phantom (induced)
voltages away from the meter.


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