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  1. P

    RCD Protection on 16mm Submain??

    Hi all House C/U is in the kitchen, come off the mains blocks into a KMF isolator then across above the plasterboard ceiling about 15m in 16mm T&E into the the new granny annex C/U. This is the way I have always done it, depending on the circumstances. If it was SWA I wouldn't be having this...
  2. S

    Customer demanding a refund

    Hi all I have a very abusive customer demanding a refund (because they claim they paid me twice) but not willing to provide any everdance. I am getting several texts, emails, calls and letters daily. I have passed it onto my bank and they cant find any duplicated payments from her either. Any...
  3. J

    Who's responsibility to provide earth to main service head on TNS

    As a maintenance electrician i've been given jobs to replace stolen earth bonding from intake cupboards in various blocks of flats. Some are PME and some are TNS. Obviously for PME i can provide earth to the Neutral via the bolt on the side of the service head, but on the TNS where the earth...
  4. B

    Any one completed the job write ups for their JTL Portfolio???

    Hi people,, I have finally completed my 3years at college and so far done all the underpinning knoledge questions apart from my job write ups and my AM2. Is their anyone out their that can possably send me a copy of thiers or an example sheet so that i can get an idea of what needs to be put...
  5. dansk

    EPC applicable to commercial?

    As the title, and whats the rate for 4-10kw.
  6. A

    Solar PV -v- New Grid

    Just pondering cost of FiT/PV install -v- cost of 200 miles of new Grid to connect +50kWh wind farms etc. to existing Grid network. Base assumption surface [pylon etc.] £1.8million to £8 million per km. Sub-surface £18 million to £22 million. Exact details not known but assume 90% pylon at...
  7. N

    TT system domestic CU upgrade

    im intending to carry out a c.unit upgrade on a domestic property, no earth provide by supplier so its a TT system,no electrode seems to be visible or present but there is a reading there something like 5ohms could be a buried rod/rods somewhere or connected to old service pipe, going to...
  8. F

    Does this college course provide valid qualifications ?

    Electrical Installations - Level 2 - College of North West London (CNWL) - Course Search Apparently its the city and guilds electrical installation level 2, I plan to take this course then level 3 afterwards. Thanks
  9. T

    SMA HF Series Installation

    Hi All, Any help re above is gratefully received. I am planning an installation on a TNCS supply where the aboves more extensive dc input voltage range is ideal. Could anyone tell me if the HF series provide electrical isolation? I understand they provide galvonic isolation but I cannot...
  10. C

    does a rcd provide porotection against fire?

    ok remember being told that a RCD will provide protection against fire however I've came across 2 situations where the circuit is protected by a rcd and a fire could of easily started. first situation where a builder was using a wind up extension lead (not fully unwound) to feed a portable...
  11. R

    What certification do i need to provide for a 3 phase install??

    Hi To all..First post so please be gentle.. I am a time served sparky and have recently passed the 17th IEEE.. I am currently working in a hotel, installing inverters to act as a variable speed drive on circulation pumps...This involves fitting new D class 3 pole Mcb's and rewiring throughout...
  12. R

    Dividing showers by 240? Whaaaaa?

    It's been mentioned on here, though I don't know if it's a bit tounge-in-cheek, that showers can be divided by 240v when rating. Is this true? And if so, how come?
  13. H

    Garden Sockets

    i may be going mad but cant find in the regs what are the requirements for external sockets, can they be spured of the ring if an RCD is fitted or do they need there own circuit ?
  14. K

    RCD protection query

    I am adding a switch (the wiring which will be chased less than 50mm deep into the wall) to a lighting circuit in a house where all the circuits are protected by 1 RCD, obviously this does not provide any discrimination between circuits. In order to provide RCD protection for the lighting...
  15. W

    Website

    Anyone want a website doing? I'll do you one for cost only, in exchange for a link. Out of South Yorkshire so we ain't competing.. Hosting and domain registration will cost about £40 a year, so that's all it would cost you. I'll do you a simple 1 - 3 page site (if you want something fancy you...

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