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  1. J

    2 supplies into same building, earthing.

    I will take a look Tony, thanks. Nice little steady number replacing and adding some DB's i thought.............why is it never that simple.
  2. J

    2 supplies into same building, earthing.

    That is a possibility. TNCS was stated on the PIR that was performed a number of years ago with a footnote of 'by enquiry'. Having seen the cabinet though it could well be PNB. I'll clarify a few points, apologies if this wasn't stated in my first post. The cables from the tx are waveform...
  3. J

    2 supplies into same building, earthing.

    Appreciatting the input guys. Getting the DNO involved is something i really wouldnt want to do although im not sure i can avoid. I could do with knowing the supply neutral size so i can size my earthing accordingly otherwise id be guessing. Im also intrigued as to what the 'wire rope' is...
  4. J

    2 supplies into same building, earthing.

    Hi loop Im going to try contacting the dno see if they can advise. Would they be the ones to specify one MET or 2......or is that purely a decision for myself? I only ask because regs dont really go into this but then again, the dno have no responsability for MET's and earthing conductors ect...
  5. J

    2 supplies into same building, earthing.

    Sounds like this could open a can of worms. Ive heard the DNO can get a little narky regarding 2 supplies into the same building which seems crazy seen as they are the ones who run them in in the first place.
  6. J

    2 supplies into same building, earthing.

    It does seem logical Sintra and the way i would imagine it should be, thanks. Was it something you had to consult your DNO over?
  7. J

    Changing fluorescent tube fittings to pendant.

    Agree Trev, test gear and the knowledge to use it would be the only sure way. Just picked up on the fact that all conductors of the flouri's went into that flouri's choc block......... didnt sound like there were any rogue choc blocks in there for a 'loop'. With lashed up house electrics though...
  8. J

    2 supplies into same building, earthing.

    As i understand it PME is tncs but not all tncs are PME. Protective multiple earthing so basically they spike the CNE to earth at various points amongst its length. I would query if this is done because the run from the tx is so short, hence it might be straight forward tncs. I think my...
  9. J

    how the trade has fallen

    I did try explaing this concept to him but he was adamant i was wrong saying that if the nut came loose then the banjo continuity would suffer. I pointed out this would be the case whether the banjo was outside or inside but it was only when guidance note 8 came out of my van that he backed down.
  10. J

    Changing fluorescent tube fittings to pendant.

    At a guess it sounds like non of the black cores we can see are switched lives so it should be straight forward. At the pendants, earth(s) into the earth terminal (remember to sleeve), the black(s) into the neutral terminal block (same block as the blue core from the pendant) and the red(s) into...
  11. J

    AC Fan

    Manufacturer of game or fan worth a ring? Failing that, RS components website or Maplins might do a similar version.
  12. J

    3 phase pizza oven

    Not got my regs to hand but even for 20A then you probably wont have to go to 4mm swa, 2.5mm would be good enough although 4mm would be more belt and braces i agree........not sure what they installation method of swa in trunking is though! :smilewinkgrin: edited as i read you probably arent...
  13. J

    how the trade has fallen

    Haha, those RKO things are getting more and more crazy every day! The other one ive had was a guy who was convinced id broke the rules because id put the banjo of a BW gland on the inside of an enclosure as it was 'no longer in contact with the main gland body'................although he did...
  14. J

    2 supplies into same building, earthing.

    Hi guys Im after some advice on an installation im doing some work on. The installation has 2 supplies into the same building. The supplies are side by side and both TPN, one 300A and the other 200A. They are TNCS and supplied from the same tx although im unsure if its PME or just TNCS as there...
  15. J

    how the trade has fallen

    Its frustrating. I went the 4 year apprentiship route, NVQ's, HNC's, 2391 ect and it feels like that has been devalued a little by these intense courses. Ive had all kinds of bad experiences with electricians who have done these fast track courses.........one had set up doing PIR's and gave a...
  16. J

    Megger broken help!!

    Second that, used them before and they were reasonably quick and fairly priced.
  17. J

    Pro-elec consumer units

    Used this before on a job i didnt specify, awful stuff. Stick with a named brand. Has anyone seen the stuff being sold in screwfix lately? Think the brand was 'BG'............breakers for £4, rcbo's for £16..........how can they knock this stuff out so cheap!
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