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  1. timbobelfast

    Discrimination Study

    Can anybody explain the discrimination overlaps in the attached protection study? For example, a Live to earth fault in the downstream OCPD and how this may play out. I know the current settings are not ideal, but this is a legacy issue restricted by cable sizes etc!
  2. timbobelfast

    Cable Design Software

    Can anyone recommend a decent Cable Design Software package? I have worked out a recent calculation on paper, now I would like to confirm my findings with software. Its an existing run of 2X 120mm 3C Al SWA to feed a 185 Kw motor......…. My calcs tell me disconnection time in 5 seconds will...
  3. timbobelfast

    2396 Design & Verification - Northern Ireland

    I will be enrolling to take the 2396 Design & Verification course due to run this September. The center running it is Belfast Met and they need 15 people enrolled for the course to run. Course - Belfast Met So if you interested in gaining this Level 4 Qualification I will see you there.
  4. timbobelfast

    IET Membership

    Anybody a 'Member' of the IET? What are the benefits? I was on the ECS site and noticed that they have teamed up ECS Card
  5. timbobelfast

    How long do you wait before chasing an invoice for payment?

    How long do you wait before chasing payment from the client? Done a smallish job for a well known charity in one of their shops when I was back home in September. Have contacted their accounts dept twice now in the last couple of weeks to no avail yet! Starting to get impatient now and...
  6. timbobelfast

    CompEX Books

    Does anybody know where I can find text books relating to CompEX? I have searched the web and only came accross something called ' The Yellow Book'
  7. timbobelfast

    A good example why not to use a Twist connector!

    Found this badboy this afternoon after someone reported a break down in the kitchen area.
  8. timbobelfast

    Spurs!

    Why on earth did I think about picking spurs today!!??
  9. timbobelfast

    Contractor won't pay up....

    What can one do if a contractor they subbed into won't pay? He has been fobbing me off since mid January. Speaking to other sparks, this seems to be his trade mark tactic. How this guy hasn't had his big loaf cracked open yet I will never know! I sent original invoice recorded signed for so...
  10. timbobelfast

    Chinese build 30 story building in15 days!

    I wonder what their wiring was like?!?***30-story building built in 15 days*** Construction time lapse *View Fullscreen* - YouTube
  11. timbobelfast

    Upcoming 2391 exam advise

    Can anyone advise as to what questions always appear in Section B of the 2391 exam? I know that section A is the 1 -3 mark quick answer questions but its section B that's got me worried. As I will be one of the last ones to sit the 2391 before it gets changed to 2394/5 i just hope that they...
  12. timbobelfast

    Warranty Who pays?

    Here is the scenario.... Rewired a house for an estate agent back in June. The house was then let out to a tenant shortly afterwards. Received a call yesterday from the estate agent saying he thinks the shower pull cord is knackered. I normally keep a stock over christmas so I went up this...

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