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  1. C

    Working through agencies?

    How fair is agency work? This is a genuine question. I started work for an agency. Its the first time I have done this. I dont get paid by the agency, but by a some organisation that calls itself my employer. So the electrical contractor pays the employment agency and the employment agency...
  2. N

    Generator Maintenance

    Hi guys, I'll give you a brief run down of the system before I go into the problem. At the hospital where I work we have two back up generators. They're rated at 750KvA. In the event of mains failure, they both start up same time, one generator will then connect to the main busbars, then roughly...
  3. D

    Pricing

    Hi guys, Just wanted to know what prices people are quoting for condition report's.
  4. BigSi

    Do you test every RCBO?

    I’m currently doing a job where I have to replace 20 MCB’s with RCBO’s in the main consumer unit of a public building. I was told by another colleague, that you only had to trip test one RCBO and to use this figure for the remaining 19? Surely this isn’t right, and you have to test the...
  5. imago

    So that's how you get the DNO to upgrade cables!

    Stone built (140 ish years old) end of terrace house with an old two wire onto ceramic doughnuts overhead supply. The DNO inspector came out to look at it and they're replacing everything from the head to the pole FOC. What caused such a remarkable event? I'm sure we all know how they like to...
  6. telectrix

    tradetek

    anyone had dealings with tradetek? seems to be subbing for minor repairs and call-outs. suppose a bit like homecare/homeserve set up.
  7. E

    Installation of SWA cable

    Can any one help..? Having not installed any SWA before I’m about to undertake a job to install 6mm 2core cable to agarage. The cable would need to be buried for approx. 20m in the ground – whichI’m allowing to go 500mm deep. However it is when the cable first enters theground and when it comes...
  8. J

    Competency to turn off (condemn) circuits?

    Hi there, I am wondering how much power people have in the event of coming across a dangerous circuit. Do you have the power to be able to terminate a circuit and lock it off to prevent use, until certain works are met? Or do you advise the owner not to use the circuit? Are there any certain...
  9. S

    RCBO timing too high

    Hi All just done a c/u change fitted with 8 RCBO's and when testing the trip times 2 of the RCBO times were too high (40a 30ma =40.8 ms . 32a 30ma = >40 ms )on X5 ? changed the 2 x trips and retest exactly the same times ?! disconnect the circuits and retest trip times perfect, ok so retest...
  10. A

    TT System with no RCD

    Hello all here’s my first ever post. Quick background, I’ve been working for myself since theturn of the year building a portfolio, I have done a few minor works and a weekon Monday I will start a house rewire and wiring extension which I plan to useto be assessed on. I was asked from someone...
  11. S

    Megger ppk 210

    For Sale Megger part p kit. This consists of seperate test units to conduct Live and Dead testing. LRCD210 Loop and RCD Tester & MIT310 Insulation and Continuity Tester It has never been used and is being sold 'as new' condition. The unit is over 12 months old so it will...
  12. S

    rcbo tripping times

    Hi all help please,I tested a6 amp rcbo30ma at board with out load connected the rcd results are 310ms at times 1 and 50ms at times5 so I changed it thinking it was faulty tested new 1I fitted got same results I then rcd tested another rcbo in the board another lighting circuit results are fine...
  13. W

    16 to 8 amp 3 phase

    Hi there, I have 3 Phase in my Workshop, with a few Machines, recentlybought a new machine, but found out the Socket is bigger that I was gong to it into, as my other Welding Machinethat fits into this is only 8 Amp, can I get a Socket to fit into this, thatwill that have an 8 and 16 Amp...
  14. S

    Replacing a 3 phase oven

    Hi. I’m a spark with plentyof experience of domestic single phase but not much commercial, and 3 phase isjust a distant memory from college. I have a customer who wants a 3-phase oven replacing. It’s on a suitable circuit with all-poleisolator so it should just be a simple like-for-like swap...
  15. W

    2394-2395 or 2391 past paper sought by a nervous candidate

    I have just enrolled on a 2394 course for my second attempt as the last try under 2391 knocked my confidence and I didn't ever have enough spare cash to try until now. Also not able to afford a third try with my mates salary barely covering child support. I feel like a lamb getting ready for...
  16. S

    wired or wireless network in my house?

    Hi I am moving to a new house soon and want to eliminate the loss of signal/buffering and future proof it for smooth clear broadband use age , so I need to know which is best wired or wireless as I can decorate after but don't want to decorate and get everything done and find that I am having to...
  17. P

    SVQ Level 3 Training

    Hi, I am new to forum and not sure if I am in the right place, I have a question about cable selection about a motor. The question is below... I am trying to find the maximum load current or a 3 phase motor 5.8kw,0.95pf, eff 90% the supply is three phase 400v. the calculation I thought...
  18. O

    Why 3 Phase and not 6 or 12 - Video

    Stumbled across this on youtube, while watching a video on fluorescents that darkwood posted. Why 3 Phase Power? Why not 6 or 12? - YouTube Interesting and after a couple of alcohol tainted viewings...I think I understand it all (though that could be the rum talking...)
  19. the pict

    Nominal Voltage ?

    what % > or< than nominal is considered ok I know its written somewhere but the wife probably tidied it away and I cant find it Pict
  20. M

    Parallel cables

    Hi I was give this calculation to do! First have I done it right? And is this the same as calculating parallel circuits? In a 230V DB 7 different circuit give out an installation resistance test of 200, 200, 150,100,50, 25 and 2. I came up with RT= r1+r2+r3+r4+r5+r6+r7 RT = 1/200 + 1/200 +...

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