source

  1. H

    External Cable Clips

    Hi Does anyone recommend any good external cable clips other than the standard ones with the nails. Looking for something good quality, preferably something that can be screwed in to the wall Thanks
  2. grumpyjohn01

    Electric Underfloor Heating as Primary heat source under Engineered Wood?

    Hi all, Looking for advice, I am an experienced electrician and have been asked by a customer to install electric underfloor heating throughout a converted victorian chapel as a primary heat source. The customer is open to all options. I am intending to have a professional appraisal from a...
    • grumpyjohn01
    • Thread
    • courses degrees electric engineer engineering going heat heating primary problems salary source students system under underfloor underfloor heating
    • Replies: 2
    • Forum: Central Heating Systems
  3. Dan

    Who Are Our Resident Green Energy / Solar Experts?

    Just wondering who our resident solar experts are.
  4. 7

    Help on Mitsubishi air source unit wiring

    Hello all im currently first fixing for a Mitsubishi outdoor unit- puhz-sw120vha indoor unit-ehscmec the system has an air course unit located outside, joule cylinder in loft, hydro box next to fuseboard manifold for under floor heating downstairs which I have ran all my three core wires for...
  5. A

    High Electricity Bill Source

    I will try and keep this as brief as possible while giving the relevant details; My gran is having problems with her electricity bill, she uses Gas for Heating and is using (on average over a month and a half) just under 16 units a day. (Having looked online, I found a ROUGH guide to be about 9...
  6. Lee Gold

    Testing for dead

    Hello can someone tell me the simple steps for testing for dead please
  7. C

    air source heat pump problem

    Recently notice a drop in performance of one of my heat pumps used for heating hot water. The normal temp rise through the HP is around 8 degrees C but has recently dropped to around 3 degrees C. The pressure guage shows approx 100psi with the HP OFF rising to approx with the HP ON but I don't...
  8. V

    air source heat pump - forward planning for cables to install

    hi I have wired up various central heating systems, y-plan, s-plan, under flooor etc . but i will be doing an air source heat system. They have not yet purchased the pump, but i am on with first fixing and i am wanting some advice on what cables are needed before any of the plans / instructions...
  9. J

    NICEIC Certification Scheme safe isolation- the niceic way!

    niceic initial assessment tomorrow! woop woop Seek permission to isolate isolate, locked off with signage- keep key on you prove my gs38 approved voltage indicators on a known source (will use supply side of main switch?) test between L-N,L-E,N-E for voltage re-prove voltage indicator on known...
  10. D

    12v PIR -- CODE SL099 - -FORMERLEY MADE BY SMITHS/TIMEGUARD

    I need to replace some 12v outdoor PIR`s formerly made by Smiths, then Timeguard. The CODE is SL099 easily found on Google. However, they are nowhere to be had as they have been discontinued. They send a signal to the mains control box (CODE SL055) which controls up to 3000W of lighting and...
    • DJM1577
    • Thread
    • 12v advice code pir source timeguard
    • Replies: 1
    • Forum: UK Electrical Forum
  11. Energetic

    Customer wants to source panels.

    Hi Guys, We have a potential customer who can get panels for £50 each from a company who 'clears solar farms'... Don't ask, i don't know the details but it's allegedly legit and he wants a price for installation. It's not something we've considered before, has anyone else been asked to do...
  12. S

    software

    Hi can anybody recommend some software iMac compatible for to edit the architects drawings, basically to add the electrical drawing details to drawing sent over?
  13. H

    Halogen gy6.35 Light Source

    For a project at university I need a fairly intense light source for a fluid dynamics experiment, as the previous one broke. I've been advised a halogen source of around 50W should be sufficient, though as I am a mechanical engineer, my electronics understanding is very basic. Through basic...
    • harryfry
    • Thread
    • ceramic found halogen holder light source transformer
    • Replies: 5
    • Forum: DIY Electrical Advice
  14. D

    Control of Air Source Heat Pump

    I have a CH/HW system with 6 stats, some of which are programmable all at £240V. They control my Oil Fired boiler System. I am having an ASHP fitted which I want to control with the existing 240V timer/stat control system. The ASHP has a pair of terminals (Currently looped) as part of its 12V...
  15. driverman

    Air heat source pumps

    Hi Guys, soon be wiring for an air heat source pump which is to be sited outside a detached double garage with a studio flat above. I need to determine the overall load that will be required to determine size of sub main to be installed. At this point in time I've no info from the owner about...
  16. B

    10 way c/u with main switch on the left?

    Hi All, First post on here! I need a 10 way c/u with the main switch on the left. MK does one but I've read some pretty damning reviews. There's also a brand called Techna that do one, but I can't find anything on that one. Any advice would be much appreciated. :stooge_curly:
  17. F

    Minimum ground needed for Ground Source Heat to work?

    Hi, This is my first posting here so apologies for any transgressions, upsets, etc. I'm going to renovate a house and it's got a fairly large garden. I want to install a Ground Source Heat Pump/system but I've no idea of the minimum size/shape I need to make it work. Can anyone answer my...
    • fixit9660
    • Thread
    • doing electrical work ground heat hours minimum needed number source worcester work
    • Replies: 12
    • Forum: Solar Thermal Advice Forum
  18. S

    Mains hook up problem. Is this possible?

    I would like to be able to plug a mobile catering trailer up to a mains source. The trailer is behind a hire shop and the manager has agreed to come to an arrangement that will allow us to hook our trailer up to his mains if I can find out how to do it legally taking into consideration all the...
    • Steve2
    • Thread
    • electrical going mains possible problem public source trailer
    • Replies: 5
    • Forum: DIY Electrical Advice
  19. S

    Air Source Heat Pump Cylinders - new, hybrid techology, MCS pending. Your thoughts?

    Giona UK - Electric Water Heaters Hot water only. 900 watt pump on the 300 litre version. COP of 2.98 http://gionauk.com/downloads/Direct%20Air%20Source%20Heat%20Pump%20Water%20Heater.pdf Am told this is new tech because it combines the heat pump with a cylinder. Will it get MCS? Will there...
  20. T

    78mm GU10 LED source?

    Do they make a 78mm deep (50mm diameter) GU10 in LED ? if so where is the best (online) place to get them (don't want cheap chinese fake imports off ebay). Got someone with a load of low energies in their kitchen and looking to replace to LED
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