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  1. E

    Hi guys. To those in countries with TNC-S. What are your requirements regarding installation of earth rods for domestic installs?

    Hi Guys. Firstly, am glad to join the group. Secondly I am very curious to hear from those who have TNC-S as their electrical supply I have 2 questions (1) Are you required to install an earth rod (stake or mesh) on the homeowners property? and (2) what are your regulations regarding its...
  2. G

    Whats the rules regarding a fusebox/meter in a bathroom?

    We are looking to convert a spare room into a new bathroom but the mains comes into this room and the meter/fusebox are in a small cupboard 2m up one wall?
  3. U

    UK Question regarding Internet phone line

    Not sure if this is right place to ask, but anyway. Long story short, signed for BT and are getting the equipment delivered tomorrow. This building used to be a pub and has been converted into flats. BT have run their check and have said there’s definitely a line somewhere in the flat, however...
  4. S

    Question regarding eddies currents 3 phase

    I have to supply a 3 phase + neutral circuit but I have to run it through a contactor. The contactor is 3 phase no neutral and will be bushed onto the left side of the board with 2 bushes (one for feed, one for load). The other side of the board is bushed onto some trunking where the load will...
  5. C

    Newbie & Question Regarding (2) 30 & 50 Amp Breakers

    Good Evening Everyone, New member here. I will admit right off, I know next to nothing about electrical systems. I was a Electro/Mechanical Designer for 90% of my career, but to be honest, am scared to death of things I can't see. Anyway, wife and I bought a new home home in Oregon recently, new...
  6. M

    Question Regarding a RCD on 3 Phase, with a single phase sub-circuit

    I am installing a micro-brewery in our barn in France; as you can guess that, means that I am a brewer, not an electrician :-) I did 'fess up to being a DIYer when signing on. The brewhouse runs on 3-phase, both for the 12kw heating elements and for the pumps. All use a delta configuration i.e...
  7. KennyKen

    Help Regarding JK Flip Flop Question

    Hi Guys, Undertaking a PLC Course and cant seem to get my head around the pulse diagram. Which activates Q and Qbar on the Negative trailing edge. Pointers in the right direction fully appreciated i'll show you my attempt which was wrong... The Question is - Complete the timing diagram for a...
  8. D

    Code regarding main and branch breakers

    I’m looking to add a GFCI breaker to my main panel. I have several open slots and have not reached the circuit capacity of my panel. However, the main breaker is not located at the top of the panel. See picture. Is there any reason (code or otherwise) I can’t locate a circuit breaker above the...
  9. Ruairi Hansen

    Gas bonding

    Hi guys just wondering what peoples thought is on this. I was out looking at a job today and noticed the main gas pipe is not bonded at the meter but has a 10mm earth at the boiler is this a code c2, c3 or nothing?
  10. SairaJoy

    I'm currently an EE college student. Need to ask 6 interview style questions regarding workplace writing requirements for EE's

    Current EE college student with questions for advanced technical writing assignment. (I am supposed to interview an Electrical Engineer about workplace writing expectations/requirements)... 1 - On a daily basis, how much time/energy do you spend on writing/producing documents? 2 - How often do...
  11. M

    Advice regarding storage heater

    I am refurbishing a modern flat that I have recently bought and it is all electric. All the old heating, which was a mix of convectors and a large storage heater have been scrapped. The storage heater is located in the lounge/dining area and I wish to replace it with a slightly larger unit to...
  12. H

    Looking for some advice regarding a Cummins Genset

    Hi, So I am currently troubleshooting a cummins generator that only seems to be able to switch from idle and rated speed mode during only after running for about ten minutes, any longer than that everytime i switch back to idle from running, there is no change and when i change it back to...
  13. C

    UK Some advice regarding exterior lighting.

    Hi forum, I'm after some advice regarding exterior lighting. We have installed some plug and play 12v lighting into a clients garden via the ecisting external sockets. In the same garden in a different area the client has a ground level floodlight which is wired via an external switch on an...
  14. N

    Questions regarding metal gang boxes

    Hi everyone! I am an industrial designer working from Israel, currently working on a product that will be installed in american homes and needs to fit into a one-gang box. I'm having trouble figuring out how common are the metal boxes out of all the home-installed electricity box...
  15. K

    Regarding becoming qualified

    Hi guys. I have about 10 years of experience within the electrical industry, mainly domestic properties from small houses, to big houses with advanced electrics. Currently working in Canary wharf in a large resedential block of flats. I actually don't have any electrical qualifications. I...
  16. B

    Looking for safety advice regarding cooker

    Hi. I pulled out my cooker today to clean under it and i noticed what looks like a scorch mark. I've never noticed it before and just want to be sure it doesn't spell trouble. I've attached a pic. Thanks for any advice.
  17. F

    Help regarding a Horstmann Electronic 7 timer

    Hi, I'd like some help on an issue I'm having with my Horstmann electronic 7 timer if anyone can help me please. Our electricity bills currently seem very high for this time of year, they're coming out at £80 a month for a 2 bed apartment, with both me and my partner being out between 08:30...
  18. happyhippydad

    A few questions regarding domestic swimming pool..

    I have been asked to price for a supply to an outdoor swimming pool (domestic). The electric supply will be for a air source heat pump and the pool pump. (see pics) The pool is above the ground rather than buried in it (so figure 702.2 applies with regards zones). It has metal sides and metal...
  19. M

    Advice needed regarding part p and local authorities

    Hi all New here Looking for some advice! AM I JUST BEING THICK ? I’m fully qualified jib registered Electrician. Ive just done my part p with hopes of eventually going self employed But want to build up some work first as I’m still currently employed with a firm doing maintenance. From...
  20. happyhippydad

    Understanding the new regulation regarding Main Bonding.

    Regulation 411.3.1.2 states .... Main bonding conductors shall connect to the main earthing terminal extraneous conductive parts. It then goes on to say... 'Metallic pipes entering the building having an insulating section at their point of entry need not be connected to the protective...
  21. sham

    Hello, I'm after advice regarding accounting for my LTD company.

    I am considering doing my accounts using an online service as in Sage, Quickbook or other. Reason being that I feel I can be on top of my spending and earnings whist I'm updating information online on their software instead of just saving receipts and relevant information and handing it to an...
  22. V

    Help regarding three-phase upgrade for flat conversion

    Hello all, I am about to receive planning permission for 6 one bed flats conversion from an existing family home. The current single phase 100A supply will not be sufficient so I have applied for a 3-phase upgrade. My question is on maximum electrical load per flat. I have done a similar...
  23. Z

    Question regarding signing off 32a ring circuit with broken CPC ring continuity

    I installed a kitchen ring recently. Went back to test after the builders had finished and found that the CPC is broken somewhere inaccessible, everything else tests normal. I’ve got continuity on live conductors, and even with the broken CPC, each socket is connected to the CPC and tests with...
  24. C

    Advice needed regarding P.I.R Outdoor security Light.

    Hi there, i currently have a outdoor light that comes on only when i flick the switch. i would like to install a motion sensor light instead. my question is can i use the existing wiring setup and switch, and just keep the switch in the on position so the light will come on when it senses...
  25. J

    Commercial New Member, Looking for professional help regarding GN3 and On-site guide.

    Good Morning all, I am a new member, initially drawn to the forums by the technical help given by you guys and any potential help I may be able to offer. I am currently doing my AM2, (After 8 years in the industry) As I believe that I need all my papers up to date for the way the industry is...
  26. GBDamo

    Sanity check regarding electric underfloor heating.

    Been asked to look at an electric UF heating system. As yet it is laid but no connected and no supply is present. There are two mats at 1600w so total 3200w, 14A. My intention is to run a feed off a 20A RCBO via a 20 DP isolator to the thermostat. Run in 2.5 T&E, clipped direct total <10m...
  27. B

    Queries regarding Inspection Report I've just had completed

    Hi, My first post so please go gentle on me! I had an Inspection Report (EICR) completed on my house a week a go. It failed on two items: 1) Gap at the back of sockets in the utility (which I knew about, I meant to screw these down, but I only put them up loosely as I knew I had to take them...
  28. happyhippydad

    Advice regarding inrush current please?

    I have just fitted 5 x 200w LED floodlights on the same switch. I fitted 3 yesterday all worked fine. However the owner said they tripped once after I had left, no further info as to if they tripped immediately or after a while. I have just fitted the last 2, the MCB is tripping immediately...
  29. A

    AM2 help. I have a few questions regarding the exam and any help would be appreciated.

    Hello all, new to the forum and everyone seems to be quite frendly and happy to help out. So.. i have my am2 in a few weeks and am pretty gemmed up on everything but there are a few things bothering me. And have checked all forums regarding am2 prep and can't seem to find anything. 1.When...
  30. O

    Anyone go the BBB to hand - reg regarding mix and match

    So next week I have to add a circuit to this board: My plan is to add a Wylex breaker ........... but how would the BBB wording cover this? I haven't bough the BBB yet! After all, its not me that added the 3rd party breakers:):):):):)
  31. Iain Kay

    Is this installation considered acceptable today? (1-ring including oven and everything else)

    Looking for some advice on what I've discovered is the electrics situation in my rental property. I'll note that before I moved in here I made the Letting agents (LA) more than aware I use an absolute -----ton of power. I told them I can and will be pulling 2,000-4,000 kWh a quarter (with gas...
  32. Pete999

    NICEIC Certification Scheme Got this from NICEIC today if you are interested regarding types of OCPDs of differing makes

    file:///C:/Users/Pete/Desktop/Safe%20Selection%20of%20Devices%20for%20Installation%20in%20Assemblies%20(1).pdf Hope you can read it
  33. Pete999

    A technical question regarding the use of AFDDs

    I seem to remember whilst at the NICEIC film show (oh by the way I believe NAPIT are doing a roadshow as well, lets hope its better than the NICEIC one, see Julys PE for details) One of the things I remembered from the very limited information given out, was the fact that AFDDS would not be...
  34. T

    Regarding the matter of noisome spam

    Okay I can see that whatever the case there is no one working with the forum who can stop the spam. Well I acknowledge that clearly you get on to it and wipe it off each and every time it appears and am always grateful you respond so quickly. I realise it must be a chore that you hate as much as...
  35. Pete999

    Funny story regarding the vagaries of Russian Policing.

    I had been ti Helsinki on a supply run, and my Boss and hi wife had flown up to pick up their new Volvo Estate, right hand drive for him to export back to the UK when he had finished his Tour of Duty, we were scheduled to drive it back th the British embassy, taking it in turn to drive, as it...
  36. happyhippydad

    Serious question regarding how to take a holiday!

    Afternoon all.. Since I started doing this full time a year ago I haven't taken any holidays. A day or 2 here and there, but no long breaks. I thoroughly enjoy the work and when I get home I get on with quotes, certificates, invoices etc and I'm ok with that as I enjoy it. However, it can take...
  37. C

    Quick question regarding wiring a light.

    So i have my College level 2 practical exam on Wednesday and we need to produce a board following a sheet. on that board we need to produce and wire up a 2 way light switch, i have always had trouble wiring up lights and found it very complicated, i have been doing some research on some wiring...
  38. M

    Question regarding bonding

    Hi guys so found out my house has no bonding today so am straight on it and getting that done tomorrow and getting my incoming water bonded, but i do have a question regarding my boiler/radiators, i have oil from outside come into my boiler to do the heating and hot water. The boiler is on...
  39. B

    Load question regarding new showers

    Evening guys I was asked a question earlier and i was unsure if my answer was correct, I was asked if I could install 3x power showers all 3 are 9.5kw I’ve been assured the water supply is more then capable, the board has a 100amp main switch My initial reaction was no, it’s way over the the...
  40. 1

    Eicr bonding gas and water advise needed please

    Hi guys need some advise please carrying out a eicr in a commercial propety which has two buildings next to each other but not joined each have own pme supply coming in so treating each separately. One of the buildings has two meters 1 for basement area with communal areas and 6flats the top...
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