times

  1. J

    Rcbo's tripping times

    I am testing a new build installation of 90 flats all the flats have 1 16a Rcbo when I test the tripping times I get a higher reading at 5x than 1x on all 90 flats they r all wylex can anyone help me on this matter
    • jimmy84
    • Thread
    • evening flats getting hello rcbo rcbo's times tripping tripping times
    • Replies: 20
    • Forum: UK Electrical Forum
  2. Lee Gold

    If your from birmingham

    Anyone from birmingham that knows of any colleges for adults that do evening courses in electrical installation that work around shifts? I mean I work 1:30-22:00 1 week then 08:00-16:30 the next week does anyone know if colleges work around this or don't they do them? Thanks
  3. M

    JIB Electrotechnical Certification Scheme (ECS) JIB Gold Card

    Hi all, How do I go about getting a JIB Gold Card? I have the following qualifications: NVQ Levels 2 & 3 AM2 17th Edition Do I need any other qualifications? ie health and safety etc etc Have asked a few people and getting different opinions. Pls help. Thanks
    • MrSingh
    • Thread
    • card certification gold card jib jib card level qualifications safety scheme times
    • Replies: 24
    • Forum: UK Electrical Forum
  4. D

    suppliers fault

    hi, Popped round in laws house last night as they were having power loss issues. As I pulled up noticed the utility guys on their road hard at work sorting it out. So out of curiosity I thought I'd check the voltage readings as they had power but you could tell the voltage was low. I was...
  5. S

    Disconnect times for adiabatic

    Am I right In assuming that as long as you have worked out the fault current from a zr that meets regs for the breaker you can just use the disconnection time of 0.4 etc instead of using the graphs which I can never seem to understand
  6. F

    rcd tripping times

    just a quick one doing some rcd tests today, and at x1 value the tripping time was 46mseconds and at x5 29mseconds now i no that as long as at x5 value is under 40mseconds all is ok just thought the x1 value was a bit high so my question is there a max value for times 1 as i must admit not had...
  7. S

    Voltage Stabiliser

    Hi all, do any of you have any experience of voltage stabilisers? Can they be fitted on sub-mains, or do they need to be at the origin? Thanks in advance
  8. 8

    2394/5 & Ammendment 3 cource waiting times??

    Greetings all. Just wondering I am trying to register at my local college where I did my 2392 five years ago to go and do the above cources. I made my application to the college on 1st January but have not heard anything since. Are the 2394/5 & ammendment 3 cources generally in high...
  9. B

    digital timer instructions for mem at1p

    Hi All, Can anyone help me find a link to .....MEM at1p timer Instructions (how to program same) Many Thanks BFK
    • bfk
    • Thread
    • digital instruction instructions members reply roman timer times
    • Replies: 7
    • Forum: UK Electrical Forum
  10. H

    Outdoor Security Light Question

    Hi All, As an ex-sparks who has been out of the game for nearly 20years, I decided to post a question here that hopefully someone may be able toanswer? I am having a frustrating time in trying to locate asupplier for a soffit mounted security light. Naturally in past years Halogenfloods etc were...
    • Hap Hazard
    • Thread
    • calibri light outdoor question roman security times
    • Replies: 9
    • Forum: UK Electrical Forum
  11. J

    MCCB incomers on paneboards

    Hi I have a question which I am sure can be answered by the chaps on here in seconds. Why do panelboards often have MCCB's as incoming devices over isolating switches? I understand this can be useful if the PFC is high at the board and an incomer like this can protect outgoing devices. Is this...
  12. B

    water ingress ryefield boards

    hi all
  13. S

    Contactors & Relays

    Hi We have recently installed a PV system that needs to be switched when a generator starts. The generator control panel has a VFC (240V/5A) we can use to signal the contactor. There is a 150m run to the PV supply I need to isolate. I was planning to use a 40A contactor to isolate, however...
  14. P

    Need help identifying a Service Head fuse

    Hello all I've recently installed a ryefield board and just when I am about to connect itto the service head I find out some one has nicked one of the fuses. I cantidentify it and therefore cant source another one not allowed to post pictures but its ceramic and 45mm wide and 135mm long. I...
    • Peter Jaggard
    • Thread
    • fuse help identifying need help roman service service head times verdana
    • Replies: 53
    • Forum: UK Electrical Forum
  15. G

    Selling a Megger Tester

    Is there a sell/buy section on here. I've got a newly calibrated, hardly used (3 times) Megger MFT1553 (with original purchase receipt)... career that never happened. Hopefully not broken any forum rules....
  16. S

    RCD test

    hello every one can some body help me please in this particular question?When tested at Idn time 5 , a 30nmA RCD protecting a 230 V a cooker circuit incorporating a socket outlet in its control unit must trip within : time please
  17. D Skelton

    Age of those who can build a control panel and control a process

    So reading through a few of the recent threads where lack of skills in the industry seems to be the main bone of contention, I'm personally interested in the way that the industry is changing with bias towards the domestic sector. It seems to me that most of those coming out of college nowadays...
  18. A

    0 Megohms N-E and no RCD Trip

    Hi All I was re-testing a brand new install for QC purposes todayand the N-E on the IR was 0 Megohms, am I right in expected the RCD to trip. Itwas a TN-C-S system so wondered if the shared neutral and earth may have aneffect? The IR for L-N and L-E belled out perfectly, I haddisconnected both...
    • AndyTheSpark
    • Thread
    • calibri no rcd rcd roman times trip
    • Replies: 15
    • Forum: UK Electrical Forum
  19. G

    how the trade has fallen

    A friend of ours was telling us the other day how well her grandaughter is doing since she met her new boyfriend,I really had to bite my tongue when she came out with the following statement." he's a lovelly chap,fully quallified electrician,fully quallified plumber and he's just done his gas...
  20. D

    DISONECTION TIMES- Circuit Ratings

    Stupid question that i need answering. How do what your circuit is rated at? I know that if its above or below 32A there are different disconnection times depending on the type of earthing system
    • Davetherave
    • Thread
    • circuit circuits different disconnection question ratings times
    • Replies: 11
    • Forum: UK Electrical Forum
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