reverse

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  1. M

    Reverse power relay vs. Loss of excitation relay

    What's the difference between the reverse power relay and loss of excitation relay on genny's. I've read that current flows towards the genny's direction but how did the device distinguish which is which?? Thanks in advance!
    • Minetsky
    • Thread
    • generator power relay reverse roman
    • Replies: 1
    • Forum: UK Electrical Forum
  2. A

    What is Reverse current? Does it cost me!

    I have 2 SMC 5000A set to GB/G83 Mode MPP. I have had these for several months and they are connected to my 10KW Solar system and the operate fine with excess power being fed to the national grid. All appeared fine with the correct readings showing on the remote BEAM-BT-11-GR1 with the...
  3. F

    Reverse polarity and a microwave!!

    Good afternoon Gents, I was called out to a fault today where the guys microwave had been tripping the 32A CB for a few days and had now packed in altogether. It's a built in model and was connected via a switched FCU that had been wired up with L-N reversed. I have advised the guy to contact...
    • FAA Greenie
    • Thread
    • microwave polarity reverse
    • Replies: 24
    • Forum: UK Electrical Forum
  4. K

    Back up, reverse, rear view camera.

    I'm interested if anyone had experience about this before. I had bought one on ebay and accidently switched polarity when I wanted to conect it on a battery. I have never manage to start it , to get the video (I've conected it properly and only thing I couldn't find is NTSC on this monitor, only...
  5. B

    Reverse Polarity

    Hi all, I have a question reguarding reverse polarity! Does it have a detrimental effect on the current circuit? For example, if you put a different branded battery in a makita radio and it worked fine but you had to turn the battery upside down for it to fit, would this harm the radio as the...
  6. C

    Reverse polarity on sanyo panels

    Hi all A customer ive quoted recently wants panasonic HIT panels as part of the system and ive never fitted these before, on segens website it says dont reverse the palarity on multible string otherwise you'll destroy the panels, so im a bit reluctunt to fit them as there not the cheepest...
  7. D

    L-N reverse closed

    The thread i started has been closed so i had to start a new one to respond To D80, i dont use a voltstick to prove a circuit is dead, i have just got into the habit of using it before i test for dead To Dpelectricalltd, I shall stick around even though i know how much some of the posters on...
  8. D

    Live neutral reverse!

    I go to a job today, a nice simple one to replace a light switch. They have a nice 8 way board with 6 used ways, all RCBO's installed about 2 years ago. So i turn the light on that this switch controls and turn the relavent braker off and out goes the light. I then pop on my volt stick as i...
  9. N

    Thanks a bunch DNO

    Got a call to day customers property thats let with no power , get there to find a BG notice of potenially dangerouse situation L E reverse , consumer unit disconnected by BG tails left tapped up so property had no electricity , now you can imagin what my customer thought !!! didnt do my job...
    • nickblake
    • Thread
    • didnt dno reverse socket stick tails
    • Replies: 6
    • Forum: UK Electrical Forum
  10. D

    Meter in reverse

    The disc in my import meter, an old one with a mileometer style display plus two small, red dials, is currently running backwards in the bright sunshine. The red 1/10 dial is also in reverse, but the numbers on the mileometer section appear to be creeping forwards. Is this possible? I would have...
  11. F

    Reverse Energy Detected - usage gone up 71% !!

    Hi, I had a 4kw system installed on the 16th November. Since then we have generated about 130kwh which seems a bit low to me but saying that, the weather has been pretty awful and my system faces SW so is not getting the best of what sun we have. I give my electricity readings to British Gas...
  12. S

    Dangerous reverse polarity on meter tails

    I have today come accross my first polarity problem. while checking a socket i found it was showing reverse polarity with L and N. After checkig behind the socket and all other sockets on the same ring all were correctly wired. I checked the polarity of L and N at the consumer unit and although...
    • sidekick
    • Thread
    • dangerous meter meter tails polarity reverse tails
    • Replies: 37
    • Forum: Australia
  13. M

    CAREL Thermostat SET problem PLs help.

    Hi, Sorry if I opened the thread in wrong forum. I am about to use a thermostat for Homemade Incubator and I recently got Carel IR32V1L000 Thermostat with PT100. There is an instruction, but I cannot set it to work as I want. (which is it should switch the heather off when the temperature...
  14. B

    Domestic Wiring Problems - Advice Needed Please!

    Hi First of all I am not an electrician! When using power tools recently I have been getting shocks from almost everything! I bought a small 3 pin 240v plug-in tester to attempt to see if this would show that there was no earth! What this did show was that I have reverse polarity. Further...
    • billyh42
    • Thread
    • advice consumer domestic earth electrician needed please polarity problems reverse wiring
    • Replies: 55
    • Forum: Domestic Electrician Forum
  15. R

    Reverse Polarity blow PCB? Worcester boiler with overun

    Ok guys had a day and half today....Y plan Honeywell room stat, 7 day prog 2 channel. Worcester boiler with over run...... Some how the mains L/N got cross and had few 3 amp fuses blow in spur before we established issue...boiler fuse was ok though and once established that a donkey had...
    • Robinson
    • Thread
    • boiler heating pcb polarity reverse thought wiring worcester
    • Replies: 36
    • Forum: Central Heating Systems
  16. J

    reverse a single phase AC motor

    how would I work out the size of capacitor I need to reverse a single phase motor. Not sure of the size etc as not been out to see it yet all I know is the customer has a fan they want to reverse its in a machine so don't think a fan controller would suit.
  17. H

    Reverse Polarity

    Apologies for intruding on your website - I am NOT an electician!! I would like some advice - a couple of weeks ago a MeterPlus employee came to fit a new meter in my house - he spotted a fault - said it was reverse polarity - the whole house was affected & told me to get an electrician to sort...
    • housewife59
    • Thread
    • polarity reverse
    • Replies: 58
    • Forum: Australia
  18. P

    Reverse Polarity

    Need a sanity check, I have a customer issue... installed a customer supplied consumer unit as they had the supply brought into the basement, so 3 ciurcuits had to be extended etc tested it all issued certificates etc. all fine. however halfway through the day the customer asked when was i...
    • pmoyne
    • Thread
    • polarity reverse
    • Replies: 36
    • Forum: Australia
  19. E

    No reverse on drill, can this cause problems?

    I have been given a brand new Bosch GBH 4 DFE drill and noticed that it doesn't have a reverse gear. Does anyone else use this drill or one similar. A friend of mine was saying it could cause problems as if the bit got stuck in whatever I was drilling (wood, masonary etc) there would be no way...
  20. marksparky

    Reverse shredder

    Hi folks been asked by a customer is possible to wire his industrial shredder so that it could reverse as well as go forward? Due to it becoming jammed frequently, it a three phase and neutral supply and help much appreciated.:D

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