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  1. E

    Any one know of a good source for reasonably priced regulatory docs? (BS6701:2010)

    Anyone know where I can get a PDF version of BS6701:2010 from? Cheapest I can see on the net is £80+ Seems extortionate to me for such a small document, but I'm probably looking in the wrong place. Any one know of a good source for reasonably priced regulatory docs? Regards Elidor
  2. C

    Series and parallel

    Hi there, let's say I have two 24V DC powered appliances, and I would parallel them up and use a 24V DC power supply to power the appliances. However, what would happen if I series them up and use a 48V DC power supply instead? Both appliances are resistive load and has the same power...
  3. sythai

    Air Source heat pump wiring...

    Has anyone wired up one of these before: Airsource heat pump? Thanks, Sy
  4. sythai

    Air source heat pump, solar and underfloor heating advice...

    Evening all.... More questions again, thanks in advance chaps. Basically part way through a job where they are having: Underfloorheating (wet system) Airsource heat pump Solar ... just trying to suss it all out, have hardly ever done any heating systems before, in at deep end here and...
  5. U

    SWA - RCD required at supply source?

    Looking to rewire supply to detached garage. House CU has RCD main switch and I wish to avoid nuisance tripping, so plan is to split tails, install isolator and run SWA to an RCD board in garage. SWA route will be out through bungalow loft and along catenary wire for 2 metres to garage...
  6. lurch

    air source heat pumps

    Hi all Been a while since I have posted, so here goes. I hace a Ecodan Air source heat pump to wire up. I have had no experience with these until now. However, although the wiring diagram is fairly stright forward, it does not accomadate the danfoss wiring centre for the underfloor heating...
  7. 85mick85

    software

    Any one know where i can get my hands on some good cheap software like doing drawings of the cad type? i just want it to play about with? maybe do some asfited drawings? any help please thanks:confused:
  8. J

    Electric field between a source and a sink on a sheet

    Can someone help me with some questions about the picture at Electric field - Wikipedia, the free encyclopedia? Is there anything about the composition of sheets that is known to significantly or insignificantly effect the curves representing the electric field between a source and a sink? Are...
  9. N

    Number of Inspection Forms

    Would you use multiple inspection forms for a single PIR (or EIC) if for example they were in seperate buildings? If not can anybody think of an instance where multiple inspection forms would be attached to a single PIR or EIC. (The form has a section saying " __ Scheduals of...
  10. I

    Underfloor Heating

    I have been asked about underfloor heating, Can you please advise on best types, The client has asked about mesh types. Can tese be installed off a ring via an FCU??
  11. J

    Ground source heat pump help!!!!!

    Hi, having a bit of trouble at the moment figuring out installation of a ground source heat pump. The electricicty company have ran two supplies to a new build. One 240v and the other 415v. The 415v supply is for the heat pump. Has anyone out there got any information what so ever on...
  12. B

    Where can i source this socket from ??

    Hi Have a project in mind and it has to be this kind of socket, it's basically a 110v yellow plug but us style, need to buy a lot in bulk and the only place seen one is on Ebay for over £10 and not paying that. Cannot seem to source them from US for some reason ? Anyone help, pic below. Cheers

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