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Recommended checks before CU change

Former Community Member over 6 years ago

As most of you know I’ve only been qualified for just over a year and I’ve got a quote to do for a cu upgrade.

I know I’m nowhere experienced enough to do EICR’s yet, but what would you guys recommend I check/test before doing the cu upgrade and should I do these checks/tests at the quote stage?

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0 Former Community Member over 5 years ago

Timeserved:

Hi Fitzy,

Doing a L-L would be a dead short so you would expect 0.00Mohms..you sure you don't mean L-N?

Ts

Yes, sorry, I did mean, L-N which was 0.00 ohms. I couldn’t possibly have unplugged everything, as some of the rooms were filled with boxes etc, blocking some sockets with items plugged in, they had all kinds of electronic items plugged in all over the house, double oven had no separate isolation switch and there were at least 15 luminaries downstairs with about the same upstairs, none of the circuits were labelled either.
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0 Former Community Member over 5 years ago

Timeserved:

Hi Fitzy,

Doing a L-L would be a dead short so you would expect 0.00Mohms..you sure you don't mean L-N?

Ts

Yes, sorry, I did mean, L-N which was 0.00 ohms. I couldn’t possibly have unplugged everything, as some of the rooms were filled with boxes etc, blocking some sockets with items plugged in, they had all kinds of electronic items plugged in all over the house, double oven had no separate isolation switch and there were at least 15 luminaries downstairs with about the same upstairs, none of the circuits were labelled either.
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Recommended checks before CU change

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