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couple

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  1. N

    EICR a couple of classics

    Ok did 2 EICR's to day one was ok the other well , both land lady jobs , the one was in a letting agency and was inspected recently and i belive passed how in a million years ill never know , im trying to get hold of the EICR so we can have a nosey the metal case had no earth insulation readings...
  2. S

    Commissioning of a G59 system, i have a couple questions

    hi all i have just finished in installing my first 49Kw 3 phase pv installation split over 3 15Kw sma tripower inverters, now i need to commission the system, the DNO is western power, who we have had a connection agreement from, and the supplier is EON, any help or info would be great on...
  3. B

    Couple of Questions

    1. In a commercial situation. In a switchroom can the supply from the main board to a sub-board directly adjacent to the main board be via double insulated tails, clipped to tray? 2. Any ideas on this situation - want to adjoin trunking to a sub board. The trunking is 100 x 100 but the DB is...
  4. S

    A couple of IR testing questions

    Do you carry out AC IR tests with generation meter (elster) connected ie from inverter to disconnected conductors at the board, or will this damage the meter? I've been linking it out but apart from the test not being true to the installation it can be a pig if the meter is in an awkward spot...
  5. N

    A couple of questions

    Hello, new to the forum so be gentle :-) These have probably been answered before but I thought I would get a fresh 'outlook'. I completed my City and Guilds A and B certificates in electrical installation back in 1978 and 1980. I was in the trade for about 7 years before I opted for a carrer...
  6. E

    More tools for sale

    Finally cleared out the back of the van and have for sale: Lift N' Lock tool box Knipex 160mm Side Cutters (With 1.5 & 2.5 stripping holes built in) - New Fat Max Padsaw & Pouch - New Irwin Wood Chisel - New Irwin Knife (Stanly type) Bahco 325 large hacksaw Set of Irazola Teknoplus screwdrivers...
  7. E

    couple of questions regarding y plan and s plan heating system question

    If the cylinder isn't full of hot water and you turn a hot tap on, will boiler give you hot water or does cylinder need to fill up 1st?? daft question i know... And connected potterton boiler and read in the manual that there was no need for a permanent live if system is completely trv'd. So...
  8. D

    couple of interesting pics from a drive through a durham village

    there was about 15 in total but only snapped a few!!
  9. B

    Couple of general questions...

    Can someone just give me some straight answers. Ive had a bitch of a day and i'm not thinking straight. These Kronenbourgs might have something to do with it. LOL. With regards sub mains, on large commercial / industrial installations. When testing Zs on sub mains final circuits, if the...
  10. yellowvanman

    Liability insurance

    Anybody got any recommendations for insurance companies to cover: £5 million liability for PV and Electrical Contracting Professional Indemnity to cover Periodic Inspections Renewal is due in a couple of weeks.
  11. O

    Couple of quick ones!

    1. Am I right in thinking that when doing an end to end test on the CPCs during a continuity of ring final circuit conductors test, the result divided by 4 gives you R2? But measuring as you will measure R1+R2 anyway, this does not need to be noted? 2. When doing an insulation resistance test...
  12. La Poste

    Quick couple of coding questions

    If you did a PIR for a 2391 exam and after testing found insulation resistance on a circuit to be 0.4M Ohms between line and earth on an outside light which code would you use? Would you use code 2, requires improvement or code 3 requires further investigation? I used code 3 and got the wrong...
  13. H

    am2 2way and intermediate help

    Evening all,can anyone provide a clear diagram of the 2 way and intermediate switching requirements for the new am2 test,i have found a couple on here but they are not very clear. Thanks,Pete.
  14. 0

    Can you guys please help me with a couple of questions?

    Hi, here are the questions: Why do choke voltage and lamp voltage when added together do not equal the supply voltage? Why is the supply current is reduced when a capacitor is in circuit? Any help would great! Thank you.
  15. Dean Williams

    couple of periodic questions

    Hi Folks, could someone answer a couple of questions please. 1. Should an underground SWA 6mm 3 core feed to a garage be RCD protected, the garage DB has an rcd but should there be one at the other end? 2. whilst testing an RCBO today, it passed the half x test, 1x was 35mS but the 5x was...
  16. R

    A couple of quick questions!

    Hi there all, Im new to this forum, after browsing some of the threads, have found some very informative information on here. I used to work with a sparky about 2 years ago and completed my 2382-10 (I Think!) but never got round to becoming part P as work stopped (something about a recession)...
  17. Worcester

    Central Networks no longer e-on

    Just seen this on the e-on site: Anyone noticed any differences yet?
  18. E

    couple of various questions

    Hi all, Just a few bits I would like to brush up on and find good practice, all from a domestic point of view; 1. Is diversity applied before selecting cable and grouping factors etc? 2. What's are the regs regarding 230v and 12v lighting, where is 12v required? 3. Have seen on a job a...
  19. N

    Couple Questions

    Hi Guys, These maybe fairly obvious but interested in knowing the following. How much ( in KW ) can a two phase system take? ( Family member researching in a 49kw system ). How many KWs is it before you have to go accross to two or three phase? Also, saving electricity. How simple is it to...
  20. N

    Call out elderly couple loss of power

    intresting one this Call out ,customer lost power got there the only house in darkness , DB cover off dead as a doo doo not sign of life at the meterso switched off every thing put screw driver down supply back on , mmm me thinks power cut , switched power on instantly power went off again ,mmm...

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