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loose

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  1. S

    why is new meter tripping rcd

    any one tell me why a new meter would trip rcd repeatedly .
  2. B

    crazy voltage

    testing sockets in a school classroom (new installation) and had a reading of 196volts. Went back an hour or so later and had 240 volts. Tested another circuit which was on the same phase and had 196 volts again. All phases to earth and neutral read 245v and fuse board. All I can think is a...
  3. C

    not getting 240v

    im a builder just finished refurbishing a house and had a call from the house owner saying hes only getting about 195 volts out of his living room sockets does anyone know why this could be?
  4. J

    Faut finding with a megger mft 1553

    hi all, at collage this week and doing a bit of testing..... now i got a bit confused with the tests and what the megger reading mean eg can any one explain what reading you would get if all R1+R2 test 1) if the megger say 0.00ohm at one skt but on all other 0.13ohm 2) megger say...
  5. S

    Shower Pullcord

    I am an adult trainee and i am trying to understand a problem that i must have with my shower pullcord isolater in my bathroom. Recently it has burnt out and was wondering what has caused this, as i have replaced this isolator a few times over the years. The neutral cable on the load side is...
  6. V

    testing calc question

    a 10amp type c has a max measured zs of 1.85,i have a circuit with a measured zs of 2.03 the circuit is 2.5mm (not sure type) and it provides roof lighting also r1+r2 was 2.77ohms. is there any way i can make the zs result acceptable using the design zs from the regs or does this circuit just...
  7. C

    Shower fire

    Hi All, Got a call today from a shaken customer- her shower caught fire while she was showering, flames up as far as the ceiling! Shower was installed three years ago and looks like someone didnt check for tight connections on the manufacturers side of the connector blocks! See pics!
  8. J

    r1+r2 testing

    hi all just reading up on continuity testing (r1+r2 test) say i have a ring main of 40m long serving 10 sockets.. the reading i have got is say 0.35ohms but on 1 socket i have a higher reading of 0.46ohms now i have learnt at collage this may be caused due to a loose connection could...
  9. A

    Kitchen Light Fault

    Hi guys, In my kitchen there are 3 separate circuits, one of them the main one (light in the middle has stopped working). I've changed the bulbs (GU10) and it still don't work. I've taken the fitting off and checked that there is power with a neon tester, there was. I got a standard bulb holder...
  10. P

    Running T&E in conduit

    Hi Guys, I've been asked to do a surface mounted ring mains in a residential property, is it normal practice to leave the wires loose in the conduit or would you tie wrap them together or use something else? Thanks in advance from a newbee
  11. L

    underfloor heating

    hey has anyone had much experience with under floor heating. if so what is the best make and whats the best output to have in a kitchen 100w 150w or 200w
  12. M

    Shower connection burnt

    Hello all I have had this electric shower installed for about 3 years and has been fine until today when the missus smelt burning from it. I took the cover off and the neutral connection on the connector block has melted.(As you can see in the picture) The shower is 7200W and is fed by a 6mm...
  13. P

    intermittent shower problem

    Hi, anyone any initial thoughts on this - Electric shower with cord pull isolator with neon indicator. Shower gets used then 3 to 4 mins into shower it stops, neon indicator in pull switch goes out. Go and pull the switch a couple of times and the shower comes back on and works ok. This has...
  14. L

    Voltage on cpc

    Hi all, 1st post. Called to a cottage that was previously an art gallery. Customer said track lighting is causing MCB to trip. Wants them taken out & replaced with pendants. Tried testing system & couldn't get to the bottom of it - Lights all over the place, borrowed neutrals from ring main...
  15. C

    Wylex rcbos

    Various rcbos type b for sale 40 amp -6 amp 5 x 40 amp type b 3 x 32 amp type b 3 x 20 amp type b 5 x 16 amp type b 2 x 10 amp type b 9 x 6 amp type b all rcbos are wylex some are boxed some are loose all brand new!!! Loose ones have stickers on terminals to warn about insulation tests...
  16. I

    Outside Light With PIR

    Guys A quick question, I have an outside light controlled with a switch inside, iI has sensor fitted which works. However when I switch the light on from the switch it flashes on and goes off once amd then the sensor works fine is this a loose connection or is it a timing issue?? Also...
  17. B

    light fault

    Right now this one's baffling me so any help would be welcome. My uncle asked me to have a look at his lights in his living room, he's got 2 lights (down lights 4 bulbs on each) 1 at either end of the room and two 2way 2 gang switches again at either side of the room. one of the bulbs blew in 1...
  18. L

    Melted 13amp Spur switch

    Feed a storage heater on economy 7. The 13amp spur switch for it is to the side of it wasn't working properly and the phase input looked a bit melted. I have tested all the wiring IR is fine and so is continuity and Zs thats without the melted broken switch as it fell apart in my hands. It...
  19. L

    dodgey lighting fault?

    not had chance to persue the fault, just thought i'd see if anyone knows whats up... basically, its the top of the stairs light, it tends to come on and off when it feels like it, some times it can be functioning properly all the time, then it'll go off, then when i come back from home, (i'll...

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