correct

  1. C

    Enrolled on 2391 today!

    £680 that I hope will be a worthwhile investment for my career! More exams...joy :iamwithstupid:
  2. L

    Correct discrimination?

    Id like to run a 20m 4mm2 armoured to a log cabin/shed type thing!? On a 32amp mcb on an rcd C/U Then have small garage type C/U in cabin but they always seem to come with 63 or 40amp rcds as main switch. Not sure where i stand with discrimination. Just a few sockets and lights in cabin so a 16...
  3. S

    And now to correct the mistake...

    The labourers who were putting the cable in a trench for a job have finished but left me 4ft short of the Isolator.  So it's SWA. Best way to extend it? Henley blocks in a metal clad box? Know where I can find that?
  4. S

    Correct MCB ???

    Hello guys. I am new on here and wanted to get involved. Firstly, I am on route to becoming a domestic installer and now becoming very inquizitive when I see other peoples installations.. And for the record, I know i have a LONG way to go before I would consided myself competent ! At my...
  5. C

    RCD instantly tripping??

    Evening, Just installed a new CU for a customer and one of the RCD's trips as soon as its switched on, even though the circuit beakers arent even on. Any suggestions about how to look for the fault? Its 3 socket radial circuits that are causing the problem as it will stay on when I disconnect...
  6. L

    correct way to test for a extraneous conductive part

    Hi everyone Can someone please clear up exactly how to test if something is a extraneous conductive part, is it using a insulation resistance tester? I have a installation where the incoming water is in plastic then copper throughout the installation. If someone could clear this up it would be...
  7. L

    correct way to install on roof with concrete tiles

    Curious for some advice - assuming I select an installer that I'm comfortable with what should I be looking for with how they plan to mount the panels to the roof? The house is about 20 years old with a roof built from trusses on 400mm centres using concrete tiles. I'm not sure what the...
  8. R

    Testing help

    Morning all! Just completed my two jobs for my NIC assessment. Confident in my work and all of my test results etc. Anyway assessor had a cancellation so has booked me in for this friday so just wanted to double check a few things that are playin on me a bit. Nothing major but just wanted to...
  9. T

    3 phase meter

    Hi there i was called today to replace a 3 phase meter at the side of a consumer unit because it didnt work,i have replaced it with a new one and the dial on the meter still does not go round. I have replaced all 8 cables as was but am now wondering if they are in the correct order. Can anyone...
  10. Goody

    IR Testing; what is the correct procedure?

    Whilst testing Insulation Resistance between L & N, L&E and N&E (radial or a ring circuit); I know the L and N should be disconnected from the bars but should the earth be left in on the earth bar on the DB or should be removed? I had been doing IR only by disconnecting all the three from the...
  11. R

    2 Gang Dimmer method

    Right, as I'm a bit of a 2-gang dimmer myself at the moment, I thought I'd post this here to help get my head around it. I've come across a 2-gang dimmer (push on/off) which replaced a standard 2-gang switch, one switch controlling hall lights (circuit 1 on the pic), the other controlling...
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