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  1. M

    Light switch wiring

    I have a confusing wiring. It's a 70s council house. Hall way has two switches one single , one double. The double and single switch the hallway light, however in both switches there are three wires red yellow blue. This two way switching works fine. The double switch in hallway also...
  2. J

    "Voltage Drop" Please help!

    Hi folks Iknow this topic has been beaten to death on this forum but after reading some of the posts and speaking to some of my co workers I am still a littleconfused, I am aware there is several ways of calculating voltage drop but amstill unsure of when to use the correction factor of 1.2 and...
  3. B

    Help 3phase dishwasher

    Hi guys fitted a commercial dishwasher today extended c/w supply made drainage alterations etc.Being a helpful stupid bloke connected up cables.Didnt know neutral changed from black to blue so have connected up incorrectly none of the breakers tripped am I in the brown stuff or not im a plumber...
  4. S

    What conduit for pond filter flex?

    Hello, I have a pond filter, that has a short (3-4m) run of flex to a junction box, and I want to protect it, but can't decide on the best conduit. The flex will be discreet but not buried, and will run with the hoses from the filter across a flowerbed. (It's at risk of boots & hand trowels...
  5. G

    PC fans and LED

    I have a load of PC fans, some 2 wire(red & black), some 3 wire(red & black & white/blue/yellow). I am testing these out by connecting an LED to the red and black wires then spinning the fan. All the 2 wire fans are lighting the LED but all the 3 wire fans are not. On the 3 wire fans I am not...
  6. D

    9 wires for 3 jobs

    hi very informative site so I'm sure someone will be able to help, I am fitting a ceiling fan with light fitting in bedroom .On removing ceiling rose I find that last tenant has removed the sleeve from the black hot wire ,as there are 3 blacks 1 being neutral as I tested this with electrical...
  7. H

    Where is the most dangerous environment you have worked

    As the title says really I only ask As this week I'm working in Rampton and I tell you what, I'm Not easily scared but even I'm On edge all week!
  8. W

    two way light switching

    my son has just moved into a new house and has asked me to have a look at a problem with his lounge lights. his lounge has a switch on one side of the room (call it main switch) and on the other side is a double switch. one switch is the downstairs switch for the landing light which works fine...
  9. S

    Wiring ceiling rose help

    Hi guys ive just removed a ceiling fan and light fitting any I wanted to put back a ceiling rose back on, I can't seem to wire it back correctly. There's 4 wires sticking out (please see pic) the ceiling rose has the following labels your help would be very much appreiated earth neutral...
  10. I

    Megger 1553 Lead Configuration

    Good Evening Lads Been out of the game for a while, I have a 1553, can someone please explain the lead positions and the correct test procedures. Many Thanks Chris
  11. P

    problems with 1mm 3 core and earth getting 80 volt on black to neg when switch is off

    even disconnect every circuit from main distribution board and still getting readings checked on another site getting it there to awaiting cable company answer tn-c-s any domestic houses answers please .
  12. jason121

    325 watt All black panels

    Hi I am looking for 300-325 ish all black panel not made in china any ideas. I have BEN Q, LG on my list but these are not all black. thanks in advance
  13. N

    Two Way Switch Sleeving

    I have loosened off two, two way light switches to wall paper and noticed that on both only the Black switched live had a piece of insulating tape wrapped around which had partly come off, the Blue and Yellow have no tape attached, is it ok to just replace the tape on the Black switched live or...
  14. M

    Megger 1552

    when carrying out an RCD test with the above the tester was displaying "HOT" can anyone shed some light on what this code is for?
  15. brs73

    black metal clad socket outlets

    morning all i need to install some black enamel surface conduit on a feature brick wall as requested by the client. its a domestic property but i cant seem to find black metal clad sockets and back boxes. some where in the dark recesses of my memory i seem to recall seeing them around years ago...
  16. P

    Wiring connections required for outdoor PIR light

    Hi all. First post here and I hope someone can help me out please. My existing outdoor PIR light died and I have a new one to fit in its place. The old one not only worked automatically on PIR mode but the 2 way switch which controlled it could be left in either 'auto' mode for PIR or switched...
  17. M

    Sockets on different phases

    2 sockets on dado trunking within half a metre of each other, would you agree on warning notices for potential 400v?
  18. F

    3 Phase connection

    Hello there, I am designing a commercial PV system of around 12kwp. My design so far has lead me to use a Powerone TL 12.5 inverter 3 phase. The factory has a 3 phase 4 wire (delta ?) supply. The inverter has the following connections R-S-T-N-PE Could anyone with 3 phase experience decipher...
  19. N

    Two Way Switch

    Is there a correct way to wire a two way light switch, I have one where the two sets of cables are wired Red - Common L1 Black (switched live and Yellow. L2 Red and Blue, another is Red Common, L1 Red and Yellow, L2 Black switched live and Blue.
  20. G

    more dangerous rubbish on Ebay

    Mains electrical neon tester screwdriver, insulation tape, + 2 conector strips | eBay

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