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Testing ze at the origin

Discuss Testing ze at the origin in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

joel89

joel89

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Hi all I'm an industrial sparky on maintenance doing my eal initial verification exam tomorrow was just wondering when doing ZE at the origin, do you do Neutral L1,L2,L3 and then Earth L1,L2,L3 and N+E ? Or is there between phases too? And is this the same for The PFC?
 
Earth L1,L2, L3 and put the highest reading down and should be done with the power switched off and the main earth disconnected to eliminate parellel
earth paths
 
It' begins with an M can't think off top of my head it's not megger, it's what the training centre borrowed us, it's on a domestic rig im involved with control panels mainly on the industrial side. Do a bit of installation work just never really done testing since college 7years ago!
 
Ole !
I've been getting to do ZE tests. :stooge_curly:
Using a megger has a 2 lead option and it gives you the Prospective Fault Current (PFC) at the same time.
 

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