Discuss Testing Zs at Lighting switch's with no neutral in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

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stop me if i am wrong but the certs ask for the MAX efli for that circuit, so if we have a pendant (end of line) at the top of stairs, and is 2 way switched, then obviously the max reading would be at the remote switch.
 
stop me if i am wrong but the certs ask for the MAX efli for that circuit, so if we have a pendant (end of line) at the top of stairs, and is 2 way switched, then obviously the max reading would be at the remote switch.

if its done 3 plating at the pendant, then thats where the max Zs would be;)
 
I would love to know what the megger rep says as some of the sparks I work with have been told that that particular test instrument does give you an r1+r2 reading. I have never used this reading myself as you are never asked to submit a ze reading that the machine can deduct the zs from ze to give you r1+r2 so as far as I can see it would be impossable for a tester to give a reading even if it was just deducting ze from zs. I probably have'nt explained it very well but according to the rep just by doing a test for zs the tester will give an r1+r2 just by doing this one test and nothing else.
 

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