Answer / virendra joshi

Open the cable from both the end connect the Armour to
earth do the magger of RY, YB, BR respectively Then again
all three phases with respectively, the infinite is
preferable But if is near to zero then it is a matter of
worry.

Answer / johnmathews

Between cable(r,y,b,n)and earth(Armour of the cable).
Between cables(R to y and b)Same to other cables

Answer / raihan

In additional to this we can do for RN,YN,BN and NE, if
insulation resistance is 1000Mohms or infinity it is ok

Answer / prasad.k

The working condotion of the cable,we will check with
Meggering. that we can do like this. we can do for RN,YN,BN
and NE, if
insulation resistance is 1000Mohms and above, then it is ok

Answer / m a khan

what is meggering formula ?

Answer / gunasekaran

Armour of the cable should be connected to earth if u want
take megger for R phase another 2phase are short and earthed
like wise. in this type of testing we can get exact leakage
current of the cable.b/w two phase R Y, R B,YB,YR and BR,BY

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