short

  1. Dougie Reid

    Can a glow plug has no continuity & resistance but still short a circuit?

    I have an original 250w glow plug in my 8yr old pellet boiler that's used to light the pellets during the start up phase on my boiler. The boiler has been tripping the fuse on around 50-60% of the start-up cycles. Using a bit of trial & error I think I've narrowed it down to the glow plug :)...
  2. W

    Are short electrician courses good?

    Hi I’m a plasterer/ Renderer at the moment, 20years experience so no youngster, I’m thinking about re training to either aim for electrician or gas, what’s peoples thoughts on the short courses that’s available? And if they are good to go on? Any advice would be appreciated
  3. B

    L-N short circuit MCB not tripping

    Hi all, I’m hoping you can shed some light on a problem I found. Please be gentle, I’m an industrial spark, not a domestic spark. I’ve been asked to look at a family members electrics as they are renovating a room. A cowboy spark has been in and messed the job up. I was asked to come in and...
  4. L

    Electric shower case: short circuits (?) and RCBO

    Hello, I have just posted in the Electrician's section one photo and two videos of what I believe to be a dangerous situation of short circuits happening within a shower unit. You can see (also here attached): 1) Extensive burn marks on the plastic cover; 2) A vast amount of water leaking from...
  5. D

    Tracing a rain-related short circuit

    I have an intermittent short on a circuit with a GFCI breaker and some outdoor fixtures. The breaker pops after a significant rain and won't reset until after several dry days. I've tried to isolate the break by disconnecting the outdoor fixtures sequentially with no luck. Now I'm doing...
  6. Jhon M

    Non-adiabatic short circuit current for cable screen/sheath BS 7454

    Hello all, I have a question please concerning the calculation of the non-adiabatic factor for screen/sheath with a case that is not mentioned clearly in BS 7454 If we have a cable with below construction: CU/SC/XLPE/SC/CU WIRES/LEAD/PE outer sheath As per BS 7454 paragraph 6, the formula...
  7. Daniel DD

    Surge Arrester Installation and External Short Circuit Protection Device

    BACKGROUND I live in a small town where it is difficult to find ceritified electricians. In fact, electrician certification is not common for residential installations. I did find some experienced electricians but I don't think they are certified and know best practices in the installation. I...
    • Daniel DD
    • Thread
    • circuit circuit protection device external installation protection short short circuit surge surge protection voltage drop
    • Replies: 1
    • Forum: DIY Electrical Advice
  8. happysteve

    RCBO energised despite N-E short... until the power was cycled...

    The bit where I cut to the chase is in bold below if you can't be bothered with the back story. Changing MCB in main house DB for garage supply, so turned off at main switch. Contactum metal DB (about 4 years old), 2x MCBs for existing feeds to sub boards, the rest RCBOs (full height, single...
  9. S

    Move Outlet in Bathroom with Short Cable

    I am moving an outlet in my bathroom. The original outlet is where we would like to put a vanity mirror. These outlets are located above the vanity. The faucet is about 6 inches to the right of these photos. The cable comes from above and is not long enough to reach the new preferred outlet...
  10. E

    I thought short courses were fine. Just done a week on site. Now i think they're not fit for purpose.

    This might be long so feel free to grab a brew. So, as some of you may know, i'm a 34 year old who has been dying to get into the industry. I have fought for years to get someone to take me on and have been unsuccessful despite having a background in construction (I can basically build a whole...
  11. A

    Old Drill Press electrical help for DIYer, replacing cord caused short in outlet

    Hello all! So as the title says and as the pictures will demonstrate, I have received a very old drill press. However, the cord was absolutely destroyed and needed to be replaced. I had no experience doing this, but followed along with YT videos and was able to replace all the wires, and added a...
  12. F

    Where do you stand on short notice cancellations?

    So I'm due to do a job on Wednesday which has now been cancelled. I should be able to get another job arranged by the end of the day, that said I'm tempted to stick in an invoice for maybe half a days labour, just on the principle that I could feasably have nothing else to do on that day and be...
  13. C

    Hi everyone! CrazyComputerMan or CCM for short!

    I just being used to hang around in forums on my teens time, I came across to this electricians forums as I was looking for tips and advice to fix the Velux Intergra Remote Control Pad. (I will post as I've tried but didnt post successful last time so when I have time, I'll explain in details on...
  14. U

    I need help with an electric shower wire which is too short

    We had our bathroom renovated about 10 years ago and the original builder had left the shower wire too short and i didnt bother to get it fixed right away as we had another shower in the new loft extension done by the same builder around the same time. A few years go by and i then decided to ask...
  15. U

    SWA too short !

    Hi Fitting a consumer unit in garage . Unfortunately the 16MM SWA is too short to reach consumer unit So i have done as follows . Glanded SWA into a metal adaptable box . earthing nut earthed with 10mm crimped and run to earth block . 2 cores of SWA Brown and Grey ( oversleeved BLUE) run to...
  16. D

    Can RCD 'detect' a light fitting short - even if switched off?

    I have an RCD for the house, and have 3 spotlights to the rear of the house, which I'm in the process of replacing with LED spots. One wall switch 'feeds' all of them in series. Whilst fitting one of the lights (with only the wall switch off (and taped down!)) - the RCD flipped. I tested this...
  17. S

    Just short explain of wiring

    Hello, Can anyone quick explain me this? Here in attachment there are screens of big motor where double power wires were use from frequency drive to motor terminal , i just want to know why it because bigger amperage needed to flow ? And if this same motor were used for star - delta switch by...
  18. P

    Short on pos and neg

    Hi all, I've just installed a new consumer unit in my garage. No issues with that but the lighting I have installed has a short across positive and negative. I have fault finded by disconnecting all cables and find no short. Including the 2 wall light fittings I have installed. But as soon as...
  19. P

    UK what size fuse should I use in a DC syatem?

    Hello if I have an appliance with a max current draw of 5.55A and an short circuit current of 6.11amps what size fuse should I use in a DC syatem?
    • pt12345
    • Thread
    • appliance circuit current fuse hello max short short circuit size
    • Replies: 3
    • Forum: UK Electrical Forum
  20. Y

    Upgrading sub panel in shop to QO816L100DF but existing neutral feed is too short to reach neutral bar. How do I relocate neutral bar?

    Upgrading sub panel in shop to QO816L100DF but existing neutral feed is too short to reach neutral bar. How do I relocate neutral bar?
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