Discuss testing Zs and Ze in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

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zone77

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when i measure Ze from a DB ( disconnecting main bonding) am i suppose to reconnect bonding b4 testing Zs on final circuits. on job 2day some Zs from sockets was lower than Ze:confused:. i put this down to parralell paths but am i doing it correctly??
 
when i measure Ze from a DB ( disconnecting main bonding) am i suppose to reconnect bonding b4 testing Zs on final circuits. on job 2day some Zs from sockets was lower than Ze:confused:. i put this down to parralell paths but am i doing it correctly??

As soon as you have done Ze reconect main earth before doing any Zs tests ( paralell paths will influence Zs)
Paul
 

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