Recent content by Bizron

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    Anyone else done this?

    Hi, Got distracted doing an EICR as tenant's were chatting and security Alarm on RCD 2 was going off as I had opened all mcbs and RCD2. I linked out Rcd1 busbar to neutral to do IR test and hadn't opened the main Switch. All breakers were open but RCD was still closed - Lots of sparks and...
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    RCBO testing

    Cheers
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    RCBO testing

    Thank you for that. Is it peculiar to just this brand or a certain age of RCBO?
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    RCBO testing

    Thank you Westward10. Is it peculiar to this brand?
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    RCBO testing

    I have come across a couple of Eaton RCBOs in Memera 2000AD boards and they don’t trip at the board when tested but do at the point of use/load, what’s up with that then? Cheers
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    What are the possible causes of low IR readings at 500VDC?

    Thanks for replies, I am trying to get an idea of actual readings for different accessories/appliances that can point me in the correct direction of what to hunt for. Today I was in a hoarders house with access to every socket impossible, got low readings LN&E, fridges/freezers always seem to...
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    What are the possible causes of low IR readings at 500VDC?

    Kitchen RFC 2.5 T+E - IR=>200MOhms at 250VDC L&N to E but 0.34MOhms at 500VDC L&N to E. I suspect damp/corrosion in sockets, what do you reckon? All socket switches opened including SFCU to cooker hood, F/F, D/W and W/M.
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    High r2 in comparison to r1, rN

    Hi r1= 0.51 rN= 0.53 r2= 1.48 checked terminations on most sockets, all good. Kitchen sockets grouted in couldn’t verify. Each of the back boxes inspected had cpc tags to back box, do you think that could skew results? Cheers and thank you to all who reply.
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    Ze=1.87 TT or TN-S?

    Thanks for that 1590494777 yes all at same location main earth disconnected, terminations sound. Test done 3 times. My company does not allow any tampering with DNO kit so we’ll have to pass it on. Cheers 1590495284 Thank you for that I’ll have a read of that later. I assumed it was TN-S as...
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    Ze=1.87 TT or TN-S?

    Morning all, Looking for some opinions MK Sentry Dual RCD 63/30 CU Fluke 1662 readings... 2 lead hi current Ze= 1.87 Ohms PEFC = 6A PSCC = 0.774kA 3 Lead no trip Ze = 12.95 Ohms Zs at cooker/sockets = 12.56 RCD times are compliant No electrode visible and Gas & H2O 10 mm at board...
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    What's my next move?

    Hi there all, I am now City & Guilds level 2 and want to find work, where should I look, who should I approach? I can't afford to do level 3 until I get some work. Any constructive advice is welcomed Thank you

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