Discuss Changing IR with voltage in the Electrical Engineering Chat area at ElectriciansForums.net

newfutile

newfutile

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On a recent EICR i have measured 0.589 MegOhms (@250 volts) on the relatively old lighting circuit (red/black PVC wiring) , i have replaced both outside lights (thinking water ingress as both were damaged).

The strange part is at 1000 volts the IR changes over a few seconds to 1.6 Megohms , it will stay at this value even at 250V for perhaps an hour.

Its a void property and been empty for a few months if this helps?
 
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Petej999

Arms
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On a recent EICR i have measured 0.589 MegOhms (@250 volts) on the relatively old lighting circuit (red/black PVC wiring) , i have replaced both outside lights (thinking water ingress as both were damaged).

The strange part is at 1000 volts the IR changes over a few seconds to 1.6 Megohms , it will stay at this value even at 250V for perhaps an hour.

Its a void property and been empty for a few months if this helps?
Damp getting in somewhere I think
 

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