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installed

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  1. A

    Installing PIR sensor with room light

    I'm trying to for a PIR with a light but unsure how to connect. I have good knowledge and can install plugs etc have installed lights before. The pir has a NAL connection. What goes into A? And how would I install a light? Based in UK.
  2. P

    Burnt out switches

    A plumber has installed a 8.3kw heating boiler pulling 35a which is being fed from a 6mm . it has burnt two 45a cooker switches already. Why. Rewiring to 10mm will be hard as tenants just moved in. Owner going mad ! Cable is running above ceiling near downlighters and poss insulation. Also...
  3. S

    Adding more panels to a system and crossing the tariff boundaries

    Hi, Thanks for reading this and for your help in this matter. i have a customer that has 4kW on their property and would now like more installed. the case used to be that they would keep the higher tariff for the 4kW and receive a/the reduced tariff for the remainder. there was talk this was...
  4. D

    Short circuits from tails to meatal cased CU's

    Following on from http://www.electriciansforums.co.uk/electrical-forum-general-electrical-forum/106222-watch-out-im-fitting-plastic-db.html I wonder how many of us have ever seen a fault from tails to a metal cased CU, I haven't in 35 years. Whether a TT and a live case....or a TN and a real...
  5. W

    New Lighting circuit - how are fans etc. connected

    Hi, I'm installing a new lighting circuit. Normal stuff - radial circuit with lights looped in on the ceiling roses. My question is - how are things like bathroom extraction fans, smoke alarms or an outside above door light normally included in a new circuit? Are they added as spurs off the...
  6. B

    Where's best to obtain wiring diagrams for an American vehicle

    Evening all, Long story short:- My dad has just had an aftermarket parking sensor kit installed on his corvette, is there anywhere that you know of that I could get the wiring diagrams (legally please)? So far as I can tell. . . The rear sensors are okay (wired to reversing light), & only...
  7. R

    Just installed a plastic consumer unit

    Just installed a plastic consumer unit as I do not have to fit steel until 01/01/16. Do I use a pre amd3 certificate or a amd3 certificate? Thanks.
  8. S

    Smoke, heat and carbon alarms in rented accomodation.

    Hi all, I am trying to get my head around the current regs regarding smoke heat carbon alarms in rented properties. for eg could I install.... mains powered c/w battery back up from the upstairs lights, same from the downstairs lights but both are radio-interlinked so both smoke alarms sound...
  9. M

    Rewirable fuses date, code

    1. Hi can you please tell me when rewirable fuses in consumer units were phased out. 2. A spotlight bar is fitted to ceiling with original ceiling rose base pushed up into void between ceiling and floor boards. Code C2? Thank you
  10. Worcester

    Voltage Optimisation - The true value for homeowners ?

    Just got this in an email today, kind of sums it up really !
  11. V

    need a help for the fuse type please

    anybody know whats the fuse type for this isolator switch? put one up while ago, customer called and asked to replace with motor rated ones. save me a trip to the site, really appreciated.:yes: Square D Twinbreak 100A TPN Switch Disconnector Fuse
  12. J

    Can RCD/RCBO trip if no cpc is installed?

    Good morning, :) I saw lighting circuits done with 2-core cable (red-black) with no earthing conductor. I was wondering in a case of an earth fault is the RCD/RCBO going to trip? I think if a metal switch or a chandelier becomes live, the RCD/RCBO won't trip due to the missing cpc! But is it...
  13. yellowvanman

    LED Tape

    Anyone installed long lengths of this? Customer wants it stuck on top of a picture rail around a room (about 20m), there will also be breaks in the picture rail for doors etc. Just need a heads up on pitfalls with this sort of length required.
  14. D

    How much space to set aside for DNO

    Hi Just to make sure I have this covered, how much space do the DNO & provider normally require for the fuse unit and meter? And what is the preferred height? KR Mark
  15. M

    RHI / MCS 4 ASHPs - 4 flats - 4 submeters and 1 main meter (MPAN)

    Hi, I was wondering if anyone has come across this type of situation. I have had an inquiry from a client with a converted house which is now 4 flats all have had individual ASHPs installed, but each flat is on a sub-meter from the original MPAN meter. I understand that the MPAN is recorded...
  16. R

    photocells and rcds

    Hi all. Have a single phase cne tnc-s intake inside a lucy cabnet supplying 20 LED sreet lighting columns. Ze @ intake was greater than 0.35 so intake was earthspiked and a RCD installed changing earthing system to TT. @ lucy I have a contactor being controlled/switched by a photocell (located @...
  17. M

    Automatic transfer switch surge protector blown!

    Hi all I installed an 80kVa diesel generator set with automatic transfer switch awhile ago. All supplied by customer. Generator is second hand at 50 hours work and it turns out the ATS is too. All has been working fine for the last 6 months or so but recently the generator has been struggling...
  18. M

    Mid position valve and underfloor heating

    Hi all, just installed a polypipe under floor heating system to an existing Y plan, the valve is a V4073A,with this system the UFH stat should independently operate the UFHeating from the existing central heating, the snag is with the time clock off and the UFHeating stat on both the UFH & the...
  19. D

    Quiet 6 inch wall fan

    Last week I installed what was supposed to be a reasonably quiet 6inch wall fan in a kitchen. Turns out it wasn't as quiet as I anticipated. Anybody know of a quiet one? Must be a 6inch wall mounted one All help is appreciated
  20. C

    Newly installed Consumer Unit is tripping RCD's when hoover or kettle on

    Hi all, I'm new here so bear with novice questions pls. I have renewed an old CU (the one with pull out fuses) to a very new one with 2 rcd's and 10 MCB's. the old one had the kitchen sockets and the 1st floor sockets on the same ring (weirdly). Layout is this: RCD1 63A with: 1 x 40A MCB for...

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