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  1. L

    Megger LTW300 Series Earth Loop Testers User Guide V05 1108 (Nov. 2008)

    Official Megger User Guide for the LTW300 series of 2-wire Earth Loop Testers. Models LTW315, LTW325, LTW325, LTW425 Version 05 (November 2008)
    • LectriCare Ian
    • Resource
    • earth megger series testers
    • Category: Megger Loop Testers
  2. J

    HELP with fourier series

    hey there my names james park i live in chelsea and am studying a HND in electrical engineering , I was really hoping someone could possibly help me with something, basically Explain what are fourier series different components for the non-sinusoidal periodic waveform. and help Evaluating by...
  3. S

    Astro Terra 28 - any experiences on failed series LED lamp fittings

    Hi All I would be very grateful if anyone has experienced and failed Astro Terra 28 (or others) LEDs. I have recently wired parallel and series over the years but have stumbled recently on how 6x 1w leds failed using a 5.95-10w 350mA constant current led driver. I have tested the circuit which...
  4. N

    12v transformer open circuit.

    Hi, I've got a simple downlighter installation which comprises 2 halogen bulbs mounted inside the wooden surround of a decorative fire place. There is a simple one/off rocker switch (semi hidden) so that the lights can be turned on or off. So, I have a transformer which supplies the 12v to the...
    • Nick Thomas
    • Thread
    • 12v circuit lights open circuit series switch transformer
    • Replies: 10
    • Forum: Lighting Forum
  5. 123

    Centaurplus Hortsmann C11 & C17 Programmers Series 2 Manual

    123 submitted a new resource: Hortsmann C11 & C17 Programmers - Hortsmann C11 & C17 Programmers Read more about this resource...
  6. Dan

    Deus Ex: Mankind Divided Review

    Any game bearing the Deus Ex name sets a high bar for itself, and yet, Deus Ex: Mankind Divided clears it handily. The followup to Deus Ex: Human Revolution retains the strong gameplay blueprint of choice-driven stealth and RPG gameplay that defines the series, but its superlative map and...
  7. Dan

    Deus Ex: Mankind Divided Review

    Any game bearing the Deus Ex name sets a high bar for itself, and yet, Deus Ex: Mankind Divided clears it handily. The followup to Deus Ex: Human Revolution retains the strong gameplay blueprint of choice-driven stealth and RPG gameplay that defines the series, but its superlative map and...
  8. T

    Led lights wired in parallel, should be series. How to resolve?

    Hi Have little issue Some Led lights have been wired incorrectly, instead of series the connection, it's connected in parallel. The supplied transformer/driver is 350ma constant and connected in series the lights are pulling 3v each. There are 9 lights in total and are set and can not be...
    • Toplad
    • Thread
    • led led lights lighting lights parallel series wired
    • Replies: 2
    • Forum: UK Electrical Forum
  9. W

    EAL L3 diploma in electrical series

    Hi just wondering if anybody has done the above portfolio or can help me out with it. Examples etc, any help will be very much appreciated as seem to be struggling with the wording of it all. Thanks
  10. akwoody2

    Series E board

    Hello chaps, A little help please. I have an old GE/Sector series E board and I need a RCBO. Anyone know where I can get one? Thank
  11. mattg4321

    Fault finding series LED outside lighting (collingwood)

    Got a regular customer who has just bought a house with some series wired Collingwood LED lights wired in series in the garden. Sparks who has done it hasn't done a bad job to be fair, but clearly didn't think too hard about those behind him! All 9 lights are on 1 switch and 1 driver (constant...
  12. sythai

    Grid dimmer for Aurora M series LEDs?

    Hi All Just seeing if anyone can recommend from experience a grid dimmer (MK or Hager grid compatible) that works well with the following LED downlight: Aurora M10 range : AU-FRLD811 Aurora M7 range : AU-FRLD711 Cheers Sy
  13. S

    3 pirs in series

    Hi guys advice needed i am on a job where there are going to be 3 pirs controlling around 12 lights the 3 pirs are just because of the layout of the room,these have to be wired through greggs this is a method I have never used before as have been doing heavy industry for past few years can...
    • Scottishspark
    • Thread
    • going lights parallel pir series years
    • Replies: 21
    • Forum: UK Electrical Forum
  14. S

    Overload relay in series with contactor latching circuit- Why?

    Recently had to work on Chinese plastics dryer with an overload relay wired in series with contactor latching circuit auxiliary contacts. When the overload trips you can still turn on the motor while the button is pressed. Why is that? It should be tight before the A1 or A2 terminal I have seen...
  15. P

    Testing IEC Extensions

    Hi all and thank you for letting me join the forum !! I do a bit of Pat testing at my work and have been asked to test some of the leads that attach to the IEC leads with the plug on(I.e. to make them longer). As these haven't got their own plugs do they have to be tested as surely they are only...
  16. M

    2394/2395 Question

    Question is : - The insulation resistance of two circuits is of 40M? an 36? respectively. When tested together what is the total insulation resistance: answer is 19 ohms but how? can some one explain
  17. L

    Schneider ZBE 101 is not working

    Hi guys, I would to say hello to everyone and hope I will be comfortable in this forum!! I am a mechanical engineer and I am in a certain way "forced" to learn also electrical stuffs. At the moment I am trying to understand why my RESET button (ZBE 101) on my machine does not work. I...
  18. driverman

    series 7 type fuses

    Help! got problem on site. I'm after several series 7 type fuses to satisfy BNO meter suppliers. The BG meter people want a series 7 fuse in front of each meter. Where can they be sourced from? Thanks tried some wholesaler..no joy so far
  19. A

    series and parallel combinations

    Hi all I am carrying out my assignment and a little stuck on this i have to work out the Total inductance and total capacitance now I'm aware of the formulas for series and parallel inductors and capacitors but as you can see from the picture i have a series/parallel combination and I'm...
    • andyc425
    • Thread
    • answer parallel right series trainee
    • Replies: 14
    • Forum: UK Electrical Forum
  20. T

    Masterplug RCD Adaptor

    I am using a Masterplug RCD adaptor in my shed, but when there is an electrical fault on equipment I am using in my shed connected to the Masterplug RCD it trips the main consumer unit RCD in my house. Any help please
    • tobyjug57
    • Thread
    • adaptor equipment fault outside rcd series using
    • Replies: 23
    • Forum: The Welcome Forum

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