On 09/11/2019 19:21, Lee Nowell wrote:
The meter is an old (circa 30 years) fluke meter. Good quality but
old. There is earth at the junction box - should I run some more
reading with that?

Some Fluke's like a few of the 100 series have a special low impedance
range designed to combat this kind of phantom reading. When selected the
input impedance drops to around 3K.




--
Cheers,

John.

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