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series

  1. Lou

    Aico Launches 3000 Series

    Aico Launch 3000 Series System | Aico Fire and Carbon Monoxide systems Aico have launched a new alarm system for fire and carbon monoxide detection. As your clients switch on their heating as we come into winter protection against accidents is vital. the 3000 Series is one alarm system for both...
  2. D

    Rcds in series

    Hi, Regarding discrimination requirements in regs.. If a second cu is fitted in a shed or outbuilding supplied by an rcd protected way at the main cu then it provides protection at a change of cable size due to the mcbs but that leaves two rcds in series with no discrimination. However is...
  3. J

    Domestic 24v Garden fence lights - series or parallel??

    Hi everyone, I was wondering if I could get a little advice on a small project I plan to carry out over the next few weeks. I plan to install 10x 6w GU10 LED bulbs (fitted inside some suitable outdoor light boxes) on each fence post along a 30 metre garden fence, the lights will be powered...
  4. Monoboy

    Domestic 100A Series 7 Henley cut-off fuse

    Hello. Before I bother a professional with a call out, could I ask for some advice on here. Our cat managed to dislodge the cut-off fuse on our board, shutting the power off. I pushed it back in and everything's back to normal. But in doing so, it made some rather nasty noises and it doesn't...
  5. S

    For Sale Aico 3000 Series Heats & Smokes

    I’ve got a job lot for sale - 3000 series 6 x Ei3014 Heats 4 x Ei3016 Smokes Anyone’s interested in taking the lot?
  6. M

    Domestic Garage CU and RCD in series

    Evening all - got a question that i think i no tje answer but need some assurance!! Putting a sub main (garage CU) with standard sockets and lights. Feed to garage CU from suitable MCB in main board that IS RCD protected. Now........testing ... Most garage CU come with RCD, my understanding is...
  7. SparkyChick

    Fluke Product Recall affecting T1xx series voltage testers

    Please refer to this link for more information:- Important Voluntary Recall Information Regarding Fluke T110, T130 and T150 Two-Pole Voltage Testers - https://www.fluke.com/en-gb/support/safety-notices/tpt-recall Thanks to @Andy78 for the heads up on this.
  8. SparkyChick

    Fluke Product Recall affecting T1xx series voltage testers

    Please refer to this link for more information:- Important Voluntary Recall Information Regarding Fluke T110, T130 and T150 Two-Pole Voltage Testers - https://www.fluke.com/en-gb/support/safety-notices/tpt-recall Thanks to @Andy78 for the heads up on this.
  9. O

    NEW Wago 221 series for 6mm cable

    Not sure how many of you have received this from the Wago marketing department ............. definitely worth ordering some samples! WAGO | 221 - https://www.wago.com/221/en/
  10. R

    Wiring series parallel battery bank ?

    Just checking if this is correct wiring for series parallel on four 6 v batteries to get 12 v output. I have maximum of 30 amps of solar going in, what size cable is right for the battery bank connections ?
  11. Pete999

    Are our days numbered? is this the end? the ultimate DIY series is here what do you guys think?

    Gmail - https://mail.google.com/mail/u/0/?pc=en-ha-emea-uk-bk&shva=1#all/15ed2570e50ddf30
  12. M

    Rcbo and rcd in series

    Good evening, it's been a while since I've posted on here but I'm looking for a little advice. I'm doing a job this week, it's a tt supply and I'm bringing a sub main to an out building sub c/u which will supply lights sockets, and also a leg that will run to the end of the garden to a decking...
  13. leep82

    RCD's in series and how to test

    Im currently working on a site where im testing the supplies to the site cabins. Each cabin has its own 6 way single phase DB with a double pole RCD as a main switch. The DB's are then fed via commando plug and socket arrangement from a 32a RCBO within a TP&N DB. When the cabins were originally...
  14. joel89

    3 phase Isolator in series

    hi all I am fitting a rotatory isolator in series with the panel door mounted isolator on a star delta radiac saw. The current main isolator located near the DB has Red, Yellow, Blue coming in. Going out on Brown across red Grey across yellow and black across blue. The cable goes to the panel...
  15. O

    BBC Money Box - Summer mini series...

    Everybody should listen to this ................. and the subsequent episodes: Can We Afford Retirement?, The Death of Retirement, Money Box - BBC Radio 4 - http://www.bbc.co.uk/programmes/b08z8z8f
  16. D

    wiring led household bulbs - parallel of series

    Hi, looking for some advice. I'm doing a DIY project for a vanity mirror, with bulbs along the top of it. Each bulb is 7w. I've got some 5 port wago connectors, and have wired it with the live, neutral and earth from the plug connecting into individual Wagos. Then each bulb holder has a wire...
  17. M

    Connect 25 AA batteries in parallel and series

    Hello, I have 25 batteries that are AA using 1.5 volts each, that is total = 37. 5 volts for 25 batteries. I want to know please the right way to wire all the batteries together to make a parallel and series battery pack. Please tell how to wire each battery together to connect all 25 AA...
  18. Biggledyboo

    T.V Series recommendations?

    Quiet Friday night in - up early tomorrow driving down south. So I've just finished up 'Stranger Things.' A pretty decent little series by Netflix. A massive nod at 80's Sci-Fi. The genre usually isn't my thing but I really enjoyed it. Nothing too flashy, but still worth a watch. So now I'm...
  19. A

    Room Sensing Stat

    Could you please explain this to me? How does it work? How can you identify if its faulty or working? ... I am talking about the sensor which has long wire and a tube in the end. Its shown in the following link: Dimplex 86661 TSB Room Sensing Stat (Storage Heaters) -...
  20. H

    Apollo Smokes - Wiring

    Afternoon all, I've attached an old smoke from the 70s (I believe), struggling to find a wiring diagram. Basically, the current wiring is all red in colour so it's hard to discern what's what. Need to replace with something a bit more modern (Series 65 Apollo) but can't find a wiring diagram for...
  21. B

    Megger 1700 tester opening

    Hi i have a Megger 1730 and need to open it up to replace an internal fuse. Does anyone know how to open the 1700 series testers? Thanks
  22. 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)
  23. 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...
  24. 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...
  25. 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...
  26. 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...
  27. 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...
  28. 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
  29. 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...
  30. 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
  31. 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...
  32. 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
  33. C

    Relay advice please

    Hi, have this relay which needs replacing but cannot seem to find the right one any where in the uk i think i may have found one at maplins but it has 8 pins on the bottom infact all the ones i do come across have 8 pins as you can see mine only has 6. does anyone know of an alternative...
  34. happyhippydad

    Leds and capacitance...

    There are always quite a few threads where the problem is the LED staying on slightly even when switched off and I see that the solution is to fit certain resistors as a snubber. I have never had this problem. I guess I have either been lucky or have found a combination of switches/lamps that...
  35. P

    rcds

    can 2 rcds on the same circuit cause problems
  36. N

    PV panels limiting to 15A

    Hi guys, i am not sure if i am posting in the right theme, however, can anyone explain why the pv modules can withstand 15A backfeed current? (for example). What determines these 15 A, what part of the pv module blocks the current to 15 amps?
  37. A

    Domestic 24 LEDs via PC PSU

    Hello everyone, I'm new to these forums and opened the account to ask for help (please, please, please) with my planned circuit... Power Source: Basically, I want to power an LED circuit from my PC's PSU Molar (12v red wire). The internet shows the red wire to be 12+ and the yellow 5+ - does...
  38. S

    burglar alarm advice..

    im asking to do some work on the orthopedic clinic but im not so familiar with burglary alarm..burglary alarm its ready in use and client asking to have another extra sensor to cover some place..to run the cable from the place where hi like that sensor to burglary alarm panel its quit difficult...
  39. L

    Need some help, knowledgable people needed

    Hi All Im in training to become an electrician, but this is seriously confusing me (and my qualified friend for that matter) i live in uk (230v supply) but want to buy two lights from America (120v) after searching on google and asking my mate for help, I'm still none the wiser. So far I've...
  40. P

    How do I charge 2 12V leisure batteries connected in series from my starter battery?

    Hello electrical sparkly people! Can anyone tell me I can charge two 12V leisure batteries from my starter battery? The leisure batteries are connected in series to charge a 24V 3000W (6000W peak) inverter. To confuse things, I also have two 12V batteries which came with my Ford Transit Jumbo...
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