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  1. Dan

    Why we don't allow logging in with connected accounts (Facebook, Gmail, Yahoo, etc)

    Some years ago when Facebook launched they were not so bad. As time went on, they joined the older crew (Yahoo and Google - And MSN, now Bing or whatever they're going by on their 4th or 5th attempt of being search engine and / or profile system) in allowing website owners to use their already...
  2. E

    Upstairs and downstairs MCBs connected?

    Hi all new here and wondering if you have seen heard of this situation/problem? I wanted to remove surface mount sockets from the living room wall to decorate. In my old house I would just flick the mcb off for the downstairs ring and then made sure the sockets were dead before proceeding...
  3. littlespark

    Does a TP&N RCB work if not connected correctly?

    I'm not being stupid here. Not correctly, as in, not as the labels on the device says So, the situation is, I have a TP&N distribution board with a regular 125A 4 pole mainswitch. The terminals serve in order- N, L1, L2, L3 with the neutral on the left. This installation is to have a 300mA RCD...
  4. Ironbones

    Commercial Still Learning -Whats this for connected to contactor and overload.

    Hi All Could someone explain this to me please. Connected to the contactor, over load are two coils (are they ferrite chokes) please see photos. Also why only two and not three one for each phase, marked with a 65 in the photos. The motor is used to control a blower unit, that moves a bean...
  5. F

    Domestic Ze measurement with a PV system connected?

    Hi, I’m new to this site and wanted some advice on the following, I have a db with a 4kw PV system feed into it via a 16A cb. Gn3 tells me that a generating set which can feed in in parallel to a dB will effect the ze measurement. How can I carry out the ze, pefc and pssc test with this system...
  6. C

    Commercial LTC Addressable Interface Module to be connected to the ballasts

    What is unswitched live and switched live in the attached image?. It it the drawing of the addressable interface module (AIM) to be connected to the ballasts. To where should I connect these USL & SL terminals? What is the purpose of these terminals?
  7. A

    Neutral wire not connected

    Hi my electric shower light stayed on after is turned it off. I took off the pull chord and firstly there is only one nuetral wire connected, looking at the contactor in the loft it looks like the neutral wire has been cut short. So there is a live and neutral from the fuse board, and only one...
  8. C

    Motorbike not sparking but will once regulator rectifier feed is connected to earth

    Please can someone advise or help in anyway before I go completely insane I have a ktm project bike that doesn’t spark unless I disconnect the voltage regulator rectifier and run the constant feed connection (reg rec side of loom) to earth. I spoke to so many specialists who cant resolve and I...
  9. rolyberkin

    Frost Stat Issue - System not working when connected

    Following on from my thread Heinz 57 heating system thread.................. I have installed a Heatmiser UH8-RF control centre a RF switch and two neoair thermostats into an S plan system. Had a few issues with the UH8-RF firing the boiler but in the end wired the boiler n/c from the UH8-RF to...
  10. J

    Non electrician: advice about socket connected to a fused switch

    Hi all I have a single socket behind my fridge freezer that is inaccessible and so has a fused switch connected to it for easy access to turn on and off. I have been using a 2 gang adapter on this socket so that I can run my chest freezer of it as well. Would it be possible to change the...
  11. V

    SHOWER TRIPS RCD ITS NOT CONNECTED TO

    Hi all OK..did a cu change yesterday .. old wylex with an external rcd for a new amd3 dual rcd cu. This morning the customer rings to say the shower has tripped the rcd. Turn up on site..and the rcd that has tripped is not the one that the shower circuit is on.! So i check for crossed over...
  12. B

    Cut out and meter connected with t+e

    Been to look at a job today....cut out at ground level, meter at ceilling height,in a wooden boxing and the pair are connected via 16mm t+e!! CU cover missing, and a helpful scribbled note on the wooden access panel ' live parts inside, only qualified electricians to open'! So...who to...
  13. oracle

    Cooker connected to unfused connection unit with 6mm twin and earth

    Today I found a free standing cooker connected with T&E cable. Since the cooker is bordered by cupboards it is regularly pulled forward about a metre for cleaning the unit and the floor beneath it. This forward movement extends the cable to full stretch while pushing it back makes it hang in a...
  14. oracle

    Periodic testing with the power on and all loads connected

    I recently watched a tester and his mate do a periodic inspection and testing on a social housing dwelling without turning off the power or disconnecting any loads. The Ze was measured without disconnecting the main earth conductor and Zs taken with the loads connected. They subtracted the...
  15. C

    DB installed connected & tested

    Just your thoughts on this DB,it’s a Lewden type,I personally don’t like them. Bus bar,not ideal,main switch on right,space very tight to make connections,hate the rcbo’s,screws in front of each other,making it hard to retighten .
  16. N

    Short Circuit When Emergency Lights Are Connected

    I've come across a fault at work. Fuse keeps blowing when they put it in. I haven't tested for a while, and so am pretty sure I'm missing some basic steps with the fault finding process. Small room. 1 emergency fluorescent light fitting, 1 bulkhead emergency fitting. Fluorescent is plugged into...
  17. B

    Electrician Switched live connected to neutral on lamp

    Hi all, Newbie here after some advice. I’m in the process of replacing my landing light and when disconnecting the old one I noticed that the SW live was connected to neutral on the lamp and the circuit neutrals connected to live on the lamp. I am aware that normally the SW live would go...
  18. J

    Motor Tripping RCD but it's not even connected to it

    Hi, I have just installed a dedicated 32A circuit to feed a motor which according to the data plate is 3.0kW and 16.6 Amps, single phase. It is fed from a 32A MCB via 6mm cable about 22 metres. I have fed it from a MK twin 63 Amp RCD board but this motor circuit is not protected by either RCD...
  19. A

    Question regarding 400V three phase lighting connected in Delta, without Neutral.

    I am in the process of designing the electrical installation of a community centre, and have a question about the provision of three phase lighting for a large function room containing 18 36W LED fittings. All of the light fittings are to be switched simultaneously. Would it be possible to...
  20. Jay89

    Two cables connected to mcb

    Evening All Im sure this will have been discussed at some point (if so please point me to a relevant thread) I have been to look at some remedial work where a previous inspector has flagged up on multiple circuits 'DBx Cx has two cables in mcb, need separating - C2' These circuits are either...
  21. V

    Are you best electrician??

    We're launching our first Smart Solution awards and want to celebrate contractors and installers who are working with Smart Technology. If you're a beginner, we have a category for that, and if you're an experience smart home installer, we have a category for that too. Smart Solutions Awards...
  22. C

    Main gas bond connected in the wrong place

    hello guys I need some advice on and EICR job. On the MET we have two main bonding conductors 10mm each. Water is fine however I cannot find the gas bond connection on the pipe. I know it is connected to the pipe as a long lead test gives me 0.02. The pipes resistance rises as I disconnect...
  23. L

    Invertor Error - FE Not Connected

    Hi guys. So, we've had solar panels installed on the roof for about 3 years now, and just recently, had an issue where the Invertor in the loft was bleeping. Went up to investigate, and it'd stopped... So, a few days later, heard the bleeping again, went up to check, and could see the...
  24. B

    Strange earthing arrangement.

    Hello all. Had a job today putting in a new kitchen circuit. Plan was to put in a new CU just for the kitchen sockets and lights. When I looked at the cut out, found a Seeboard PME label and the neutral came out of the cut-out into a Henley block then onwards to the meter. So far so good but...
  25. S

    500v Insulation Resistance Test ok?

    Hi all, still training so please forgive my very simple question. Why is it ok to test an appliance at 500vdc when PAT testing but great care should be taken to remove all equipment when IR verifying a new circuit installation? Is it simply just because connected equipment will make a nonsense...
  26. W

    Neutral bar

    i couldn't find the answer to, Why is the neutral bar not live in simple terms. Im thinking Line from mcb to equipment then neutral connected from the load to the neural bar to complete the circuit with 230 v throughout the circuit? I'm wrong I know but why?
  27. B

    Replace shower pull switch

    Hello Guy's I replace shower pull cord switch like same last one but there before not conecte earth wire I done like that before wire connect with shower in future working like before in there any danger if not connect with switch box?
  28. yellowvanman

    Inverter on earth stake?

    Been asked to replace an old consumer unit, PV installed so bonding etc up to scratch. House supply is TNCS, however with the PV wiring the inverter (Fronius) is on its own earth stake! So that makes 2 earthing systems in close proximity! Why would they want to earth stake the inverter?
  29. F

    Submain Earth/Bonding question?

    Hi guys/girls Just some clarification needed. I have an house where there is sub board in the garage , and also a boiler in the garage. The water copper pipe that connects to the boiler is continuous from the house. I am aware of the exporting PME situation so plan to drop out the 3rd core of...
  30. Stuart Houghton

    Export Limitation

    I received a call from a person who was not a customer of mine asking to connect up his 8 kW PV system. Its a new build and the modules were installed when the scaffolding was up, this was several months ago. System is 2 x ABB PVI 3.6-TL-OUTD inverters connected to 32 x 250 watt modules. The...
  31. N

    Insulation Resistance test with 12v transformers

    I am installing a C/U and the kitchen has some old Down lights installed with 10 x 12 volt transformers connected. I know I could disconnect all the transformers but I don't plan to do that as it will be a real pain due to how the plasterboard has been bodged. Some opinions suggest the IR...
  32. Leader

    Supplementary bonding question

    hi all, I know there are many questions on this topic but I'm unable to find my answer. Can I connect my 4mm supplementary bonding cable to the cpc in my shaver socket which then links directly back to the light (and via the cpc back to the CU)? Sorry if it's a basic question, I am still training
  33. terry1969

    low IR

    hi did a IR on a shed board L-N was 0.11Mohms so took out the radial circiut and light circuit did them separately and was fine 299Mohms so why low when they are connected to the shed board????? dont do much testing so help be nice cheers
  34. S

    Generator earth

    Hi all, first post for some time! Currently installing power and lighting into a small cabin. Supply will be from a permanently connected generator and using a rod for earthing purposes. Carrying out testing today and only getting 197v between live and rod. Guessing I may need another rod which...
  35. A

    13A Oven Install Query

    Hi, I have just purchased a new oven which is 13A. The old oven was connected to a MK 45A DP Cooker Control Unit with Neon. Can I just connect the 13A to teh same socket? The previous oven was a Bosch which was rated at 16A. Thank you.
  36. P

    Ring main tripped struggling to find cause

    32amp ring main tripped mcb and rcd overnight. Rcd will reset but not all the time, mcb will not reset. Unplugged everything in house and mcb still trips, but rcd ok now. 32amp ring main covers whole house and struggling to locate fault. I'm newly qualified and probably missing something obvious...
  37. akwoody2

    EICR question

    Hi chaps, This may have been asked before but i cant seem to find it when searching so im sorry if someone easily finds it. Im currently carrying out a EICR at a commercial premises and the water is bonded from a sub DB and not the MET, its something that i understand needs to be noted but is...
  38. W

    3 lights off one lighting spur? any issues

    have this arrangement in loft: 3 lights going to a 3 gang switch, each live going to each L1 terminal, neutrals connected together in wago block, each com terminal linked with small link cable. supply comes from junction box which is spurred off lighting circuit, live from supply goes to com...
  39. K

    Moving switch.

    Hi. Hope someone can advise. Moving a light switch from an outside shed, through the wall and into my utility room. Have drilled through and re-connected switch but now have no lights in shed but do have in the utility room. Is all connected up exactly the same. Seems to be where we position it...
  40. T

    Star Delta motor into DOL starter?

    Hello everyone. I have a new star delta pump (7 core flying lead) that has to be made off into a DOL single contactor starter. Is this possible and does anyone know how?
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