Neutral testing

SLIPSHOD & SLAPDASH · Aug 25, 2018

How many of you test Neutral to Cpc, ie Rn to R2 when testing either new circuits or on a Eicr (to be clear, similar test to R1 + R2) . All circuits not just rings . Also have you seen any software or test sheets that has anywhere to record this ?

Murdoch · Aug 25, 2018

On new circuits I always test rn +r2, and just compare with r1 + r2

saves a lot of faffing around .....

Sidewinder · Aug 25, 2018

I always, when possible test Rn+R1 & Rn+R2, and, ZL-N.

I have never seen the requirement to record any N side test results apart from on a Ring Final.

However, I do think that the lack of focus on testing the N side is part of the reason we see burned out N's more than anything else, plus it does give you a quick verification of volt drop at the point also, as well as the PSCC at the point.

Murdoch · Aug 25, 2018

I've long wondered why this step isn't included in the standard continuity tests ................ after all, if you don't do this you haven't proved continuity on radials and lighting circuits

binky · Aug 26, 2018

always seemed odd to me not to at least dead test neutral. I tend to twist L,N & E together when dead testing, so it's easy to do this, and it helps confirm R1+R2 figure.

Murdoch · Aug 26, 2018

binky said:
always seemed odd to me not to at least dead test neutral. I tend to twist L,N & E together when dead testing, so it's easy to do this, and it helps confirm R1+R2 figure.

Twist together ?

binky · Aug 26, 2018

alright 3 entry wago with levers if I have one to hand (which I usually do)

Murdoch · Aug 26, 2018

binky said:
alright 3 entry wago with levers if I have one to hand (which I usually do)

I keep wagons in my tester bag ...

but I don’t connect live and neutral at the same time .... to make 100 % sure of continuity of the individual cores ....

binky · Aug 26, 2018

so do you use wander lead test or are you thinking of 'ring circuits' ?

SLIPSHOD & SLAPDASH · Aug 28, 2018

By doing all these tests there is no need to do any live testing on those circuits

Andy™ · Aug 28, 2018

it is odd how all testing seems to focus on line & earth but for the best part ignores the neutral

Neutral testing

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Neutral testing

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