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  1. B

    stuck between a rock and a hard place

    Hi all, hope you can help me with this one. a few months ago I was going for it, my own work, my own business etc. However I got some temp work on brilliant money, so couldn't turn it down! Now I'm back to doing my own work and need some advice please! I've got a few small jobs to rattle out...
  2. T

    Insulation testing results

    Hi, Very new to this forum so excuse any faux pas's. Was wondering if anyone has come across this situation: Was doing some insulation testing as part of our planned maintenance and came across a motor that gave an odd result. Capstan Motor 440V/60Hz, 24kW, Star/Delta configuration. Removed...
  3. HappyHippyDad

    Continuity between neutral and earth?

    Hello all, I have just done a pre-works visit for a CU change and found continuity between neutral and earth!! This is a TT so I didn't think I needed to disconnect the main earth but after getting continuity between N-E I did, I also disconnected main bonding but still getting N-E continuity...
  4. W

    Distance between meter and cut out

    Could anybody tell me if there is a maximum distance between the main head and meter? thanks
  5. NDG Elecs

    Link between N - CPC on fluorescent... what is it?

    Hello folks, I hope the picture shows ok. If it does not show, then basically there is a blue disc approx 25mm in diameter that may have a resistor or something in it. It is approx 4mm ' thick'. The blue disc is linking between neutral and earth on the fitting. Never noticed these before...
  6. S

    difference between us and all other trades

    watch this video pure class http://www.youtube.com/watch?v=mViO9mnCTBo:clap:
  7. B

    Rcd tripping problem

    Hi guys this is my first post,so please go gentle. i have recently finished a large domestic installation,which was put into service, after initial verification and all subsequent tests carried out with satisfactory results. Now unfortunately I wasn't the last trade on site and now I have a...
  8. M

    Contractor Switches

    We have been recently asked by a housing association to fit "Contractor Switches" on the installations. I have assumed it is a double pole sub-main switch between the meter and the consumers unit but I'm only guessing. Has anyone heard of this?
  9. P

    120v between cpc and earth bar !

    I was carrying out an r1+r2 today and when disconnecting the cpc out of the earth bar to link worth the line it sparked on removal from the earth bar.... I tested between the cpc and the earth bar and got 120v Tncs earthing arrangement I've carried out insulation resistance test and that was...
  10. B

    new lighting circuit problems

    hi avery1 need your help i done new rewire and theres proplem with lighting circuit,iinsulation resistance between LN-earth IS 120 useing megger mft1533,and same problem with same circuit getting 48volts between switch wire and earth with switches off...please p;ease help me :crazy:
  11. bigspark17

    new db no eicr

    Went to a job yesterday where a previous spark had upraded db to dual rcd fair enough job look to standards but customer told me spark had done no eicr? Is this acceptable? Is there a loophole in system?
  12. L

    2 metre unsupported T&E between House & Garage

    Hi All, a customer asked me to look at his supply to the garage which had been installed by previous owners. The garage is approximately 2 maybe 3 metres from the house and as far as I can tell is fed from 2.5mm T&E spurred off the ring. The cable exits the house through the wall about 2 .5...
  13. P

    Routing cable between 2 fluorescent fittings

    I want to add a second fluorescent fitting in my garage. The wiring I require is not an issue but the routing between the two fittings is. The reason is that the integral garage has a plastered ceiling as there is a bedroom above. Although the fittings will be only about 1.5m apart, there are...
  14. D

    Automatic switching between incoming AC Mains and DC Solar power

    My solar-inverter has an in-built AC battery charger ( 220V, 50Hz) as well. Specs of Inverter are 2000 Watts, 48vDC. I have installed Panels of 1200Watts @ 48VDC During day-time, some days are such that my power consumption compared to Solar Energy being made is low, and my batteries are...
  15. E

    Signed agreement between electrician and customer

    Evening all, I'm about to start a couple of biggish jobs and need to think about getting customer to sign order for works agreement. How should it be laid out? Does anyone have a template they use that I could have? Thanks
  16. K

    Relationship between Cut-Out Fuse & MCB PSCC

    Good morning all, Apologies if you have gone over this a number of times before (I have tried searching for a thread, and have found some that have touched on what I'm after but not quite explicitly enough). If the measured PFC is greater than 6ka (for example) with circuit-breakers' breaking...
  17. C

    Potential difference between supplier's earth and water/gas earth...

    Anyone ever noticed a difference between these? Just curious.........
  18. delano

    What are the differences between Italy and the UK regarding electrical wiring?

    What are the differences between Italy and the UK regarding electrical wiring, etc?
  19. L

    Voltage between Cpc and neutral

    Hi If anyone can help,I am carrying out an EICR on part of large hospital and have found voltage that varies between 100 and 200v between live and neutral on one single phase submain cu. It is present when main switch is off so is on load side. Apparently they get voltage around 0v to 60v...
  20. P

    0.5A difference between 2 identical inputs. Solarriver 4000TL-D

    I just had a 4kW system installed. It uses the Samil Solarriver 4000TL-D inverter which has 2 DC inputs. There are 2 strings of 8 panels, each going to one input of the inverter. All the panels have the same aspect and zero shading in the afternoon so I'd expect them to supply the same power at...

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