connected

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  1. V

    30mA rcd trips at 17mA when submain connected mcb is on...ok when submain mcb is off

    Hi all Ok...been to a job today with a random tripping 30mA rcd its a bit of a full on install...at a undertakers.... 3p cutout feeds 3 main switches...1 for a workshop db...for a flat over the undertakers...1 for the undertakers.... from the undertakers mainswitch...we have a swa submain to a...
  2. HappyHippyDad

    Intemittent tripping RCD.

    Hello everyone.. I have a job tomorrow tracking down a tripping RCD fault. This would have panicked me a year ago, now I'm looking forward to it and cant wait to get there! However, from the phone conversation I have discovered the following: 1. No recent DIY work or professional work has...
  3. S

    Insulation resistance testing

    Hi guys, i have always wondered when doing insulation resistance testing is there a test you can do to see if there are any loads still connected (ie neons,equipment) to see if the readings are true or through loads connected in the circuit.
    • Sb8389
    • Thread
    • always connected earth insulation insulation resistance insulation resistance testing resistance testing tests
    • Replies: 47
    • Forum: UK Electrical Forum
  4. D

    TT earth rod to shed or non connected garage..advice please

    Hi i have been trying to find in either the osg or regs book where it states that a shed or garage not connected to the house must use a TT earthing system instead of using the house PME, i have been told from a Niceic that it must be TT and also been told by elecsa that a PME is ok to use, so i...
  5. S

    Heating Experts.

    Aunties heating is playing up, when she switches on the heating it's not firing up the boiler. Hot water switched on it's doing as it should & firing up the boiler. Had a brief look at it in the passing & when the heating is turned on there's 240v going to stat, returning from stat to valve...
  6. D

    Loop circuits

    Hey guys, did a loop circuit today going from a 13A connection unit to a ceiling rose and a 3 plate batten lamp controlled by a 1 way, 1 gang switch now it all works fine; Tested and then made live but i'm not sure how it works? so why certain wires connect here and there. It's easy following a...
  7. L

    Problem with 2 way circuit.

    Hi, I've just started an apprentice course so very green but I've been faced with this issue and can't work it out. Two way light circuit in a garage each controlling 8 x 70w fluorescents. I've never seen a two way wired this way and need help understanding it. Each switch is identically wired...
    • Lorryload
    • Thread
    • 2 way brown circuit connected image problem switch
    • Replies: 22
    • Forum: The Welcome Forum
  8. N

    Rj45 cable plugs and sockets

    I have just finished wiring a house in cat5e cable and have connected up all the plugs and sockets, but after testing it with the continuity tester it comes up with non-parallel, this happens when the green and orange cores are connected in the socket, but when I take them out it says connected...
    • nethystevo
    • Thread
    • cable connected marked orange plugs rj45 socket sockets tester using
    • Replies: 28
    • Forum: UK Electrical Forum
  9. R

    PIR Sensor

    Hi All This question should probably be in the DIY section but it appears to be locked and won't allow me to post a new message on there so.... I am trying to get a PIR sensor working in a house I moved into but I cannot find any advice online. This sensor was set up by the previous owner in...
    • RichardRichard
    • Thread
    • attach black connected control panel pir sensor
    • Replies: 10
    • Forum: DIY Electrical Advice
  10. A

    12V Dual Pole Relay connections...

    Hi all. I have just received a 12V 2 pole 2NO and 2NC and there's no instructions on how to connect it to the power. Normally being a coil negative swapped with positive would make no difference however, this has an LED light and a resister. I am thinking the 12V life wire should before the...
    • albertc30
    • Thread
    • 12v being connected connections pole positive relay
    • Replies: 20
    • Forum: UK Electrical Forum
  11. A

    LED lighting strips

    I am looking at producing a production light for filming using natural white light led strips. I will be using 3 5m reels rated at 12v and 2A/5m. I am looking at using 100cm length (therefore there will be 15 100cm lengths) and was wondering whether it is best to have them in series or parallel...
    • alex30
    • Thread
    • connected dimmer led lighting parallel strip strips
    • Replies: 6
    • Forum: UK Electrical Forum
  12. P

    New board connected to V I R cables

    Hi whats the situation on following! went to wire a bathroom today in old terraced property all looked good new board (last 6 months) full niceic member! certificates not to hand YET! looked in loft to find V I R cables! works out from board new cables run 2 mtrs into joint boxes picking up old...
    • powervan
    • Thread
    • board cables connect connected customer new new board problem
    • Replies: 56
    • Forum: UK Electrical Forum
  13. R

    Fire alarm sounder connected to door entry system help please

    Hi All I have door entry system that i installed at a care home. it is a fail safe system but they didnt ask me to coonect to fire alarm system unitl after i had second fixed it all. Long story short i have connected it (through a relay) to a local fire alarm sounder that gives out 24v on...
  14. D

    Looking for ideas for a wired gate alarm

    Hi, I'm after some ideas to make a wired gate alarm, I have tried a wireless version and it's hopeless, despite claiming a 100M range I have found it has to be so close to the house that the 'visitor' is by the door by the time the alarm goes off. My plan was to use bell wire connected to two...
  15. S

    240v heating element connected through 2 phases?

    i was asked to check why a tank heater was not working properly today an came across something im pretty sure is wrong. but was wondering if any of you had any thoughts on the element 240v rated was connected to two phases (one at each teminal ,no neutral) via seperate breakers, i dont know...
    • sibbits
    • Thread
    • 240v connected element heating phases through
    • Replies: 8
    • Forum: Electrician Forum
  16. U

    CU Connected with breakers taken out first

    Hi, Just thought id share my photos of a CU I finished, well almost finished today, just needs another 6A breaker and a couple of the circuits connecting in, but otherwise, its pretty much there! I am so please that I have discovered this new better way of connecting everything, it feels like...
    • uksparks
    • Thread
    • attach because breaker breakers connected first neutral out taken
    • Replies: 18
    • Forum: UK Electrical Forum
  17. M

    DOL 3 Phase

    A bit confused... On a 3 Phase DOL motor starter I have seen a few diagrams online and in books etc and they show one side of the coil A1 connected to L1 and then the other end of the coil connected to L3 and obviously going through the control circuit, so the coil is wired phase to phase...
  18. J

    RCD tripping at 1/2 test

    Testing some new cabinets today which had in them a PDU with a 30mA rcd upfront as main switch. ( We build among other stuff, communications cabinets for highways, railways, etc). First one tested tripped on 1/2 fault current. Tried another cab, same thing. Did a ramp test, (tester is Kewtech...
  19. S

    rcd trip y

    hi i was on a fuse board change to day and the new fuse board was switch off and no buzz bar connected and no tails connected but 1 of the circuits which was a radial to the kitchen when you put the neutral in it tripped the rcd can any 1 tell me why :lightbulb:
  20. S

    RCBO timing too high

    Hi All just done a c/u change fitted with 8 RCBO's and when testing the trip times 2 of the RCBO times were too high (40a 30ma =40.8 ms . 32a 30ma = >40 ms )on X5 ? changed the 2 x trips and retest exactly the same times ?! disconnect the circuits and retest trip times perfect, ok so retest...
    • shocked
    • Thread
    • circuit connected rcbo tested testing times too
    • Replies: 47
    • Forum: UK Electrical Forum

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