Recent content by Timotei

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    Fusebox RCBO trip / ramp

    Thanks both, my issue is that both these 6A RCBOs trip during the half test, so do not comply with the requirements / are not operating correctly as you suggest Risteard. I always ramp test, as much for my own interest as anything else, but also in the hope of avoiding call backs in the future...
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    Fusebox RCBO trip / ramp

    Hi Julie, yep, checked time and time again! Started early morning (lots of floods here in Shrewsbury, if you don't get underway before dawn it takes hours to travel even a short distance at the moment!) so wondered if I was making a simple mistake due to fatigue, but all as it should be...I...
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    Fusebox RCBO trip / ramp

    dont have the exact results to hand, but all comfortably within expected parameters, IR / ZS etc, I'll try to dig out the actual figures later One 6A on the board testing fine, have 2 more for the weekend's board....hoping they'll be ok Tested with the L / N disconnected completely, so just...
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    Fusebox RCBO trip / ramp

    Fitting a new CU today (domestic TT) and using "Fusebox" for the first time - 14 way Type A RCBO board, 9 ways used 5 spare. All good until testing RCBO trip times - 7 test perfect, but 2 (both 6A) tripping during half test, 1 @ 0 the other @ 180. All loads disconnected, tested again, same...
  5. T

    Main earthing Conductor also bonds water

    Domestic TNCS, main earthing conductor runs to water pipe, bonds via clamp with label, cable is continuous, then runs on to MET in DB. Seems wrong, but cant find specific reg to say so....any thoughts? Thanks, Timotei
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    Zone 2 Shower - Permanent Fixed Partition

    Thanks Richard. The panel is not a fold back panel, it is the "fixed" side panel of a cubicle. However, with the help and advice of yourself and the good folks above I am inclined to record this as C3 and explain the reasoning to my client.
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    Zone 2 Shower - Permanent Fixed Partition

    Apologies, yes it's an eicr on sale of house, debate with colleague as I intend to recommend relocation, he says not required....hence interested in the views of the wise heads that frequent the forum.
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    Zone 2 Shower - Permanent Fixed Partition

    I agree Mudoch...but it's already there! I think it needs relocating, my colleague things it's not in zone 2 so leave alone....hence discussion re PFP.
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    Zone 2 Shower - Permanent Fixed Partition

    Does the non opening side of a typical perspex shower cubicle represent a "permanent fixed partition"? Having a "discussion" with a colleague regarding the "plan" diagram p.89 OSG (yellow). Discussion centres around whether the PFP needs to be a wall or just the standard perspex cubicle side...
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    DP Isolator - How much???!!!

    Anyone know if WPD allow the same? Hadn't thought of asking the question, called them at 16:20, all gone home, finished at 16:00 - I assume to count their money!!!
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    DP Isolator - How much???!!!

    Thanks for the replies. Daylight robbery it is then! I can only assume they actually want the fairies to deal with the seals - otherwise those of us who still play by the book are never going to win a quote / job again!
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    DP Isolator - How much???!!!

    Just been quoted £167 + VAT for installation of a DP Isolator (by Western Power Distribution) on a domestic property I've been asked to work on! I generally like to do things "by the book", i.e. I'm not a fuse puller....but at this price I might just change my mind. I assume the lady I spoke...
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    RCBO trip when cabinet lights switch on

    Zs 16.5Ω TT system, max Zs on 30mA = 1667Ω (4.11.5.3) had a couple of vinos now, so I may be reading the chinese takeaway menu rather than the regs!
  14. T

    RCBO trip when cabinet lights switch on

    IR > 999 Ra 146Ω PFC 1.3kA Zs 16.5 RCBO x0.5 no trip x1 23ms x5 19ms ramp 24ms Earth leakage max on circuit measured at L/N tails 0.2mA
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    RCBO trip when cabinet lights switch on

    Just been back... With benefit of more light (and glasses!) what I thought were ECP's on the lights were in fact plastic, so didn't pursue further testing there. Lightswitch and FCU both good. Gut feeling the lights are sound, and don't want to go replacing them only to have the same...

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