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rolyberkin

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Okay may be a thick question but I have an RCD tripping on 5 x test 180 at 40ms. Pass or fail?

GN3 says must not exceed 40ms
BBB says within 40ms
My tester says computer says no.

To be honest I am recommending it be changed anyway but it will be a call back on a new build for another spark so views appreciated. It is a Lewden 32amp rcbo and they normally trip around 19ms.
 

Risteard

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Richard Burns

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