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  1. infinity

    benQ reviews?

    I have a customer interested in these 330w modules and he wants to see reviews but I can't see any anywhere, can anyone point me in the right direction?
  2. M

    Mains on 3-phase DB

    Hi I am working in a hotel and I found that a 3-phase DB was fed by 2 seperate swa cables one containing the 3 phases and the other a seperate neutral and earth I know this is bad practice but can someone tell me why the NIC firm have picked this ad a fault I would not have done this myself it...
  3. H

    centeral battery UPS system

    Can an MCB be used instead of an RCBO for a supply to a UPS centeral battery system if the required disconnection times are met?
  4. sythai

    Ceiling heating...1970's?

    Just seeing if anyone has come across ceiling heating before...? They have it installed in a flat (top floor) we're currently working on. Very thin (2-3mm) type of matting laid all around between the ceiling joists. Has a 10mm copper strip down each side of mat, a type of fabric in between...
  5. A

    CO2 Alarms: Whose Responsibility?

    Hi there. Two questions: If I was doing a full domestic rewire and there was a gas/wood burner present, would I have to fit a CO2 alarm in the room to conform with BS5839-6? This is something I've just thought about on a kitchen job, where the customer has had a woodburner installed in the...
  6. D

    Need Advice on Part P with newly wired extension not installed by myself

    I would like to say that for the last 8 years i have not worked in the domestic installation environment and have recently been tasked to sign off a new house extension (for one of the bosses family) and produce a EIC so that it can be signed off by building inspectors. Back story - A spark i...
  7. M

    Installed Thermodynamic System - 2 year test results

    A four panel solar thermodynamic system in Poole, Dorset had its two year birthday earlier today. It is mounted on a solar wholesalers industrial unit and provides hot water and so called heating to six office radiators. It cost £10K to install and replaced a gas boiler. It was supposed...
  8. D

    What to look for when having solar panels installed

    My mother intends to have solar PV panels installed soon but this is beyond my field of expertise. What should she look for when choosing a PV system and the installer? She has a bungalow in mid Essex. The rear of the pitched roof faces roughly south. Do any of the top installers on here cover...
  9. N

    Halogen down lighters poorly installed

    Just thought you may like to see what happens when you install halogen down lighters incorrectly , this was found at a local care home 24 down lighters 12 with burnt out cabling and joists which had been on fire !!!! they have now been replaced with Deltec 9 watt 60 degree led down lighters
  10. dansk

    RHI and UFH + MCS.

    Hi, Firstly thanks to Gavin for your input, this customer is still pushing this point and I would like a wider view on it. As most of you know I do UFH, I've sold a full house of UFH and the customer wants some sort of heat pump to heat the water, 2 firms have said he has to use an MCS or...
  11. whinmoor

    Two Jobs in Norfolk

    I went down south last weekend for my mum’s birthday and she took me to visit two neighbours who had solar panels installed. I thought I’d share the stories. One photo of each array attached. a) The first photo shows 8 black framed panels. The householders didn’t know the brand. I noticed that...
  12. P

    rcd tripping

    Working on a tt installation with resistance reading in excess of 200 ohms. MCBs are single pole, neutrals on common bar. Newly installed 'cheap' rcd is double pole. Rcd is tripping, but not consistantly. Have isolated possible circuit fault is on, but cannot find any obvious reason for...
  13. F

    Have you installed or considered installing solar PV panels? Need help with a project

    Hello all, I am a third year student at the University of East Anglia researching the decision process behind why people choose to install or not install solar photovoltaic (PV) panels on their homes for my dissertation. If you have ever considered installing, are going to install or have...
  14. Dan

    Chatroom now installed for you

    I've installed a basic chatroom. It's accessible via the arms (pub) and also by clicking Chatbox Full in the main blue menu (under the orange menu). I'm still testing it, so if it breaks something else it will have to go. No tears if that's the case please. You need 30+ posts to use it. No...
  15. Dan

    VanLox.co.uk - Mobile Secure Van Locks Installed

    Checkout Stoke-on-Trent Locksmith - Dan Topping - or Stoke-on-Trent Locksmith - Dan Topping Mobile secure van locks installer for the Midlands. His lock supplier though can put you in touch with a local vanlox guy if he can't get to you for whatever reason. Mention 'Dan from the forums' when...
  16. S

    Problem with LED GU10

    Hi, I've installed two LED GU10 lamps in a customers bathroom. They're on the same circuit as two fluorescent energy saving lamps already installed in the bathroom. So far, three LED lamps have blow (I replaced the first one, and now two have blown). Could the motors in the fluorescent lamps...
  17. S

    14 new 9.5kw showers to be installed on existing supply

    Got a job to install 14 x 9.5kw showers in a large property. There is an existing 100a 3phase supply, I've load tested the existing load and its generally pulling around 35A per phase with one only pulling around 10A (bit of a imbalance there. )I've worked out new load with diversity applied for...
  18. driverman

    Cables installed in insulated partition walls

    Hi again, 2.5 TE cable installed within fully insulated partition walls which i would of thought is now pretty mush standard now on new builds / refurbishments. According to OSG guide table F6 page 150 Ref method 103. 2.5mm cable down rated to 13.5 amps! Radial for imm/htr...
  19. N

    House Meter goes forward after PV installed

    8kw pv installed two years ago 2phase jobs (2 x 4kw systems) The customer is now saying his electric bill has increase 100% . Its about 17000kw over this time and this is about what the pv has made. The house meter has 2.5mm cables going to it and its CT digital 3ph meter. Could the PV make the...
  20. D

    circuit design

    Hi guys I have always been told by my boss which cable size to install. He doesn't work out why size cable to use. I went to a job yesterday and it was a garage board being fed by a 2.5 T&E off a socket. The garage is being made into a little office with 4 double sockets and 2 convector...

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