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    Pscc and Pefc

    Can anybody give me the definitive answer to the question of why on TNCS earring arrangement when testing Pefc and Pssc sometimes the values are different? When we are essentially testing down the same path as the earth conductor and neutral are combined? And therefore both share the same...
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    Loading.

    Agreed apples being my Calc on the max demand of the individual installation and oranges being the architects engineer.
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    Loading.

    Uk (well Wales ?) Yes I agree with what you are saying my calcs where the 13.8Kva (based roughly on the 60 amps) The 5.5 Kva is based on sorting I was told by a designer for SP networks who told me believe it or not they only allow on 5.5 KVA for a domestic property! But that’s not the reason...
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    Loading.

    Could anybody tell me if this seems to make sense. 60Amps x 230volts = 13800Amps or 13.8Kva (per apartment) The landlords supply would be negligible with only LED lighting and power to standby batteries (fire alarm) But say 5Amps x 230 volts = 1150Amps or 1.15Kva Therefore a total of...
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    Data and LV cables.

    Thanks for that I’ll take a look at these tomorrow.
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    Data and LV cables.

    Has anybody any thoughts on this, Situation is existing steel trunking 100x100 carrying low voltage circuits dropping into 3 compartment Dado, client required data also installing into Dado, trunking non-segregated and can’t be changed (loads of it) can anybody foresee any issues with installing...
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    Ridiculous pricing ? OMG!!!!!

    My head as officially fell off ?????
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    Ridiculous pricing ? OMG!!!!!

    That’s twice I’ve done that!!! Maybe it’s me!!!!!
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    Ridiculous pricing ? OMG!!!!!

    I think my £1120 is perfectly ok for the region I work in, all though I appreciate people’s opinions on higher prices. I’m still slightly expecting to hear that a “typo”was to blame!!
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    Ridiculous pricing ? OMG!!!!!

    Or maybe they’ve found the worlds best and most generous spark?? Actually now I think about it fair play to the boy doing his bit for charity ???
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    Ridiculous pricing ? OMG!!!!!

    Yer £11200 oops!!! That’s what I’ll do Maybe if they get a written quote (which surely they haven’t) they will come back.
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    Ridiculous pricing ? OMG!!!!!

    There’s a few bits I’ve not included as you can imagine out lights couple of out sockets etc etc. My price was £1120ish so all your costs sound there or there abouts. Materials around 4K. customer has gone with a price for all the above of..... wait for it...... £4900!!!!!!!! Bearing in mind...
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    Ridiculous pricing ? OMG!!!!!

    Hi I haven’t posted for a while to be honest I’ve been flat out, but I’ve just lost a job based on cost and was wondering ball park figures what people think this job is worth below. house require (new build) very big!! 3 bed each with en-suite Master bed with walk-in wardrobe Family...
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    Tonight’s announcement 23rd march

    My 100% agreement was more for the empty house working and not the hung out to dry comment. the circumstances are exceptional to say the least, tragic figures in Italy just awful.
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    Tonight’s announcement 23rd march

    I agree 100%
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    Tonight’s announcement 23rd march

    In the right circumstances it’s fine to continue to work as shown above I.e empty building working on own or with limited colleagues and complying with all social distancing, washing of hands etc. But obviously working in homes of clients is a crazy idea!! To risk not only your own health but...
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    Photovoltaics

    good morning all, I’m looking for a little advice regarding an existing PV install, I’ve just waited a property where a PV install exists (working no problems) my question is on the correct connection to consumer unit, the PV is connected as was with a 2.5T+E from inverter you consumer unit via...
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    Shaving socket will not work

    Pete 999 is correct but out of interest which type of shaving point are you talking bout???
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    Splitting of UFH and Rads via Stat

    Sorry meant rads and UHF. Not Heating and hot water.
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    Splitting of UFH and Rads via Stat

    The impression I get from the OP is that only one valve controlling heating (rads nd underfloor) so only possible way for this to work independently of in another is to install two motorised valves, heating/hot water. And in a perfect world 3 programmable roomstats for each UHF zone and a...

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