Discuss difference between zi no trip and zi trip in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

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hi everyone, i have just got the fluke 1664fc can somone please tell me the difference between a zi no trip test and a zi trip test. i know that it in zi trip it is a high current test but still i can not understand why im getting different readings between live and earth. Thanks



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Strima

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No trip is nowhere near as accurate as the trip setting due to a lower test current.
 

telectrix

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No trip is nowhere near as accurate as the trip setting due to a lower test current.
it is on a Megger. my 1553 give no-trip readings very close to the hi-current readings, although it a bit slow on no-trip
 

Strima

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Arms
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it is on a Megger. my 1553 give no-trip readings very close to the hi-current readings, although it a bit slow on no-trip
My 1552 varies quite a bit, yours must just be scared of you...
 

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