short

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  1. N

    Short Circuit When Emergency Lights Are Connected

    I've come across a fault at work. Fuse keeps blowing when they put it in. I haven't tested for a while, and so am pretty sure I'm missing some basic steps with the fault finding process. Small room. 1 emergency fluorescent light fitting, 1 bulkhead emergency fitting. Fluorescent is plugged into...
  2. P

    45 A Cooker Switch with short cables

    Hi, I need to replace a cooker switch. See attached image. The negative is on the right side of the pic. I'd need a 45A switch with socket. I can't really find any switch witch looks like this. Does anyone know where can I buy something like this? "I hope not crimping is the only solution" Thanks
  3. M

    What would cause earth short in 3PH motor?

    Have had bit of a nightmare with a job of installing a replacement 15KW extraction system motor in a workshop. The previous motor was just DOL so only one 3 core cable between the workshop and the motor which is outside, the otherside of building. The new extraction system came with...
  4. Daniel Jones

    2396 style question, 2400, short circuit, RCBO,

    hello, studying for my 2396 exam and i need some help! Been banging my head against a wall for hours trying to get this one straight in my mind. The question is as follows: An electrical installation within a small retail outlet, located in a farm building is to be designed with the...
  5. J

    New to the Forum, short intro

    Hi, Jovan here from London 7 years exp 26, self-employed, Completed apprenticeship, 17th ed, 2395, 2396 (midway through). Commercial & domestic.
  6. L

    Short circuit calculation

    Anyone able to help on the following... Short circuit calculation & current carrying capacity of: 50x10mm2 copper busbar & 80x6mm2 copper busbar One for the brain boxes..
  7. I

    Short circuits calculator (IEC 60909) for Android

    Friends, I need help with my app testing. Can I put my app link (Google Play) here? Free, no ads. This application (fault currents and voltages calculator) can be used for the following calculations: - three-phase fault current (IEC 60909); - two-phase without earth connection fault current...
  8. A

    Short circuit after water damage- advice please ?

    Hi all. Advice please. Had a flood 36 ish hours ago where several tens of gallons of water came through kitchen ceiling passing over the kitchen lighting circuit. The lights (6) are ceiling inset 240 downlights, no transformers. The lights are connected in the circuit with connection blocks and...
  9. Alex-SL

    Is the IEC 60909 standard applicable for short circuit current calculations in UK?

    Hi. I would like to get a help from this forum electrical engineers. There is the international standard “IEC 60909” for calculations of symmetrical and asymmetrical short circuit currents. I need to calculate line-to-earth short circuit (circuit 0.4kV) by the software that uses calculation...
  10. Pete999

    Pete's Videos Anyone know where I can do a short course in joinery?

  11. J

    Electrician Jobs ELECTRICIANS WANTED: SOUTHAMPTON, SHORT TERM

    We're looking for up to 3 electricians to wire up our modular Anaerobic Digestion units. What's that? Have a look at our website www.seabenergy.com The work is in our fabricating unit in Romsey, Hampshire, 10 mins off J3 of the M27 or J14 of the M3. Units are brand new and the environment is...
    • Julian Davies
    • Thread
    • electricians short southampton wanted
    • Replies: 1
    • Forum: Electricians Jobs
  12. Rockingit

    Electrician Jobs Mate / Improver required, central London for short contract

    Have 2-3 weeks work for someone who knows their way around conventional commercial installations but fancies getting stuck into being a part of something slightly more unusual with the potential for more similar projects over the year. Located near Paddington, good attitude to hard graft...
    • Rockingit
    • Thread
    • central contract electricians london improver london mate required short
    • Replies: 1
    • Forum: Electricians Jobs
  13. Pete999

    Pete's Videos Short courses on the Asian continent

  14. D

    Use multimeter to short io

    Hello guys On a 24v circuit i use a link between lots of io to test inputs. Can i use the multimeter to short the terminals like a link (copper wire) if so what setting would be best. I know boltage reading doesnt act like a short. But not sure to try anything else encase i break the thing...
  15. N

    EATON MCCB Trip Parameters

    I am to replace an old MCCB with a new Eaton one, the circuit feeds a few boards and the current rating for the circuit is 160A. What I'm trying to understand is the 4 trip parameters that you select yourself on the breaker. These are: IR - Continuous current setting (A) tR - Number of...
    • n_gunter
    • Thread
    • circuit current delay eaton setting short trip
    • Replies: 3
    • Forum: UK Electrical Forum
  16. M

    MICC/PYRO. CABLE FAULT. / FUSE NOT BLOWING

    Hi. I have a question about MICC/PYRO cable. I have only very rarely worked with this type of cable , I've mostly worked in domestic wiring. However the other day a friend asked me to change a faulty single socket for him, ( piece of cake). It didn't turn out to be !!! He lived in a flat built...
    • MOGTARYAN
    • Thread
    • blowing cable cable fault fault friend fuse short socket
    • Replies: 28
    • Forum: UK Electrical Forum
  17. P

    Can someone help?

    so currently doing my level 3 diploma and have this question I'm stuck on can anyone help? a radial circuit is protected by 20A type B circuit breaker and is wired using 2.5mm2 70C thermoplastic single core live conductors with 1.5mm CPC to a length of 28mm in steel trunking. ambient temp is...
    • Phil Griffiths
    • Thread
    • breaker circuit current fault short someone
    • Replies: 21
    • Forum: UK Electrical Forum
  18. Joshua

    New member short introduction

    Hi guys, I'll keep this short and sweet. I've been browsing the forums the last few years. Signed up last year but keep forgetting to sign in while I browse :S I don't mean to be antisocial I promise. I'm 25, I've been in the industry 5 years, just finished my NVQ3 and almost ready to get my...
    • Joshua
    • Thread
    • introduction member new new member short welcome years
    • Replies: 3
    • Forum: The Welcome Forum
  19. D

    Electrician Jobs school small job

    Hi, a company who I do work for in the north have approached me as the sparky they use for south London has let them down, in short they need an old 32A 3 phase commando removed and a new (supplies) 32A single phase one installed. As discussed we would require an electrician to attend at...
  20. F

    Working on live DC

    Hey guys, My boss wants me terminating new supplies in a -48v d.c Distribution board. Easy enough but the board cannot be turned off due to critical load. Now my question is this. Is it safe and or legal to work on live -48v d.c. and what would the consequences and dangers of possible short or...

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