Discuss REALLY Low reading PFC Test in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

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R

riotmaster

On a caravan site, just tested the main incoming Ze and PFC.

Ze= 8.67Ohms, (TT System, so less than 21Ohms OK)

but PFC was 21AMPS??? as in 0.021kA

there are RCD's at different points throughout the installation, which keep tripping randomly.

also switching the shower lights on, was tripping the RCD for the Cafe (both on different DB's, only fed from same DB at origin but different ways)

Any thoughts or comments... I need some HELP?!
 
thanks for the quick response...

they are seperate buildings but next to each other.

and no shared earths, or borrowed neutrals... though thats only from a visual inspection, doing a periodic tommorow. they seem to all be back to relevant earth / neutral bars in the CU, and then obviously through the supplies back to incoming DB.
 
yeah i'm going to take another one with me tommorow. But considering he's having problems with tripping RCD's, i'm not presuming anything, whether it be a faulty tester, or purely a problem with the circuit, especially neutral/ earth arrangments.
 

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