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  1. Electrical2go

    Electrical2Go - Beginners Guide to Positive Input Ventilation (PIV) Units: A Solution to Indoor Air Quality Woes

    Electrical2Go - Beginners Guide to Positive Input Ventilation (PIV) Units: A Solution to Indoor Air Quality Woes A guide to Positive Input Ventilation Units In the pursuit of energy efficiency, our homes have undergone significant changes in recent years. Double-glazed windows, loft, and...
  2. S

    How to determine positive and negative?

    This is wiring for a car speaker, everyone says that the polarity doesn't matter if it's only 1 speaker but does for multiple, this one has purple and brown wire and the other side has blue and green wires, so colors wont help at all. I have a Multimeter and was wondering how do i test which of...
  3. D

    Piaggio mp3 mix the battery terminals mistake

    Unfortunately, I mix the battery terminals on my maxi scooter because the plus and minus symbols were not visible. I heard a click at some point and all-electric systems went crazy. After realizing the mistake, my scooter starts and stops just fine but after about 1 hour the battery goes dead. I...
  4. _q12x_

    About Positive Edge Triggered FF J-K Flip-Flop

    I am thinking on buying a couple of Positive Edge Triggered J-K FF Flip-Flop. Who do you recommend? Who is the Best? Or, what did you used so far and from your experience is good enough or super good to use? Mister @marconi ? or anyone else? Thank you. ----------- Heh, nevermind - I buy already...
  5. W

    Anyone any idea what this is behind plasterboard. Testing positive for AC current. Confused.

  6. B

    Positive earth understanding

    This is really embarassing i cant get my head round Positive earth So have a classic with spotlights that are relay switched at the the loom i have -12 volts so would it be as simple as grounding the other wire after it passes through the bulb So is it -12volts like a negative potential of 12...
  7. z323791

    how to convert Positive Pole to Negative

    My PMA has three positive AC poles is there any device which I can use to convert either pole to negative Thanks
  8. HappyHippyDad

    Have you ever had a positive test for covid since it all began?

    As in the title. This can be a Lateral flow test or PCR. Just thought it would be interesting to look at some statistics.
  9. S

    Bought ceiling light online which wire is which?

  10. O

    BMW S1 E87 Battery Positive to rear lights

    Newbie here and electrics is not my forte. I can get by with installation of a car stereo and amp but that's as far as it goes. So I own a Series 1 BMW 2007 model and have just had a new AGM battery installed (which lives in the boot) I noticed a few wires coming off the positive end, one isn't...
  11. HappyHippyDad

    You've got to turn these things into a positive!

    I'm all set to fit my 8 downlights at the customers house. I texted the builder the night before to make sure he wouldn't be in the way, he's already said he wouldn't but I wanted to double check. No reply so I assume all is well. I get to the job and he's plastering right were I need to work...
  12. M

    Ring circuit or radial . Is this positive

    I was talking to 1 of the QSs today and was told that in amendment 1 of the 18th he thinks it will say about going back to doing radials rather than ring circuits. I'm not sure how true this is but the guy is friendly with NICEIC people and seeminly this was discussed at a recent road show (...
  13. DPG

    'Modern Electric Wiring'

    Evening all. Does anyone want to buy a copy of 'Modern Electric Wiring'? Have ended up with some duplicate books in my collection. Published by Caxton, hardback, 1950 (66 years old). Was after a tenner but that would include postage. Mods - if this isn't allowed let me know, cheers. Daz
  14. L

    Horn wire steering wheel

    Hi all I am very confuaed trying to fix my horn I have an omp aftermarket wheel which has a red connector attached to the Hub metal bit and available as spade connector to connet to the horn button Then the horn has two tabs for spade connectors which are ground and positive Ground is making...
  15. B

    DC battery back up units

    All, I have had a battery back up unit installed for warehouse lighting for the emergency lighting. It has stopped working and the investigation was found to be a short circuit that affected the unit. However after being informed by the designer that both the positive and negative connections...
  16. P

    Tightening Positive Battery Terminal, Hit Chassis and Shorted Out?

    Hey everyone. Bit of a silly noob question. On my dirt bike, as I was tightening the positive battery terminal lead(it was loose), the allen key slipped and hit against the subframe causing a short and sparks everywhere, and causing the allen key to be extremely hot to touch. It was only for a...
  17. P

    DIY Question - false positive from non-contact live wire detector

    Hi, I was going to post this in the DIY forum, but I can't seem to view or post anything there... Pulling up some floorboards in my old victorian house, which previous owner had re-wired recently, I found a cable which has been cut off. When I passed my non-contact live wire detector over this...
  18. M

    trying to connect a positive input ventilation unit Help Required

    I have a PIV unit which comes with a power cable connected with 2 wires N and L. is it possible to connect the cable to a plug with a 1 Amp fuse or would this blow the unit. The electrical details of the unit are;- Voltage : 240v Iph 50Hz Consumption : 1.6W (min) 15.3W (max) Fuse size : 1 Amp...
  19. O

    Politician makes a positive contribution.....

    Definitely the shoe colour is wrong! Italian Minister Maria Elena Boschi signing up to her government job Quite the wrong choice of shoe colour to wear with that suit for such an important occasion, in my opinion! Oops sorry THE PHOTO is a bit small!
  20. 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...

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