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  1. R

    JIB Electrotechnical Certification Scheme (ECS) New JIB ECS gold card now has white reverse

    What does every everyone think of the new Ecs gold card having a white back? Maybe im being picky but i think it somehow degrades the gold card. Is it just me or does anyone think it should have stayed all gold
  2. D

    Step-up and Step-down Transformers

    Wanted to start a discussion on wiring transformers in reverse. What are some important considerations for what you wire a step-up transformer in reverse to make it a step-down transformer. And what are the important considerations when you wire a step-down transformer in reverse to make it a...
  3. J

    DIY blue flashing lights - choosing lights

    My dad is an emergency driver. All he has is a dash light that I bought him from amazon last year. Since my dad is an electrician I thought I would get him some blue LEDs so he can make his own lights as he complains about the price of emergency lighting.
  4. Y

    Problems with Series/ Parallel strings not adding ampage.

    Hi Guys, im hoping someone can help me. I have recently installed 3.2kw system for an offgrid job. The problem im getting is that im only ever seeing around 300 watts solar generation for the whole system. We have used 10 x Canadian Solar 320 watt panels Voc for the panel is 44.9 and the ISC IS...
  5. M

    Reverse polarity when PV inverter switched on!?

    Hi all Very strange situation this evening. I installed a PV system around a year ago and has been working fine. Called out today as the generation meter had stopped increasing. Customers been away and only arrived back today. Western Power have recently put up a new pole in the customers...
  6. D

    Whats going on here? - Live and earth reverse from Tester

    Hi Guys This is my first post so please go easy on me . I have basic knowledge of domestic electrical installations and I'm not just a diy nutter, so I was quite prepared to swap a socket in my own house. Here's what happened. I was in Plumbfix when I saw a promotion for double sockets with USB...
  7. C

    206 no reverse lights...

    I have a problem with my Peugeot 206 at the moment, i have no reverse lights and have tested both bulbs and fuses but they are fine, so I have checked with multimeter the connector at the gearbox switch and I get 12v there fine on one wire ( green) the other beige wire shows no power.. I've...
  8. L

    Gunsmith needs to wire a DPDT switch!

    Hello from Kent, I have forgotten the tiny amount I learned about electrics and I need to wire a DPDT switch to control a 230V 50Hz synchronous motor and just haven't a clue and don't fancy killing myself. Very much DIY electrics but I'd appreciate any help (I have project box, gland, soldering...
  9. vini

    Confused, must be missing something simple.

    A cooker switch with single socket indicated a reverse polarity. It was connected to a double socket into which was plugged a gas hob and gas oven. Double socket also showed reverse polarity. However when the earth prong on the plug was inserted into the socket the LED display on the plug in...
  10. M

    reverse the connection of neutral and phase

    Can we reverse the connection of neutral and phase in electrical system ?
  11. Les Macaulay

    Reverse Energy Flow

    I know nout about PV systems. Is it possible that the system, when there is nil demand by the consumer, can feed energy back into the supply? I believe there are two energy meters used. Sorry if this basic thing has been asked before.
  12. A

    L-N Reverse On All Kitchen Sockets

    Hi, I am a newly qualified electrician and have a quick question. A friend asked me to take a look at a socket that was making an arcing noise after a water spillage so I went round to have a look. I ended up swapping the socket for a new one and this fixed the aching noise however when I...
  13. E

    Reverse polarity on kitchen socket

    Hi Guys Looking to see if anybody can shed a wee bit of light, got a phone call earlier tongiht from a customer stating he was getting a shock from the socket and the sink. went over to have a look he advised he replaced all sockets with stainless steel ones and one kept shocking him so here...
  14. E

    Toyota hiace van reverse lights

    Good morning all, ive got a toyota hiace hiace van and reverse lights just stopped working. Tried changing lamps but still no difference. someone mentioned it could be reverse light switch. Does anyone know where it located so I can replace it thanks
  15. S

    Reverse Engineering

    I am trying to do a bit of reverse engineering and work outhow the socket outlets on my newly purchased bungalow are installed. Here are some facts: For the circuit in question the CU has two 2.5mm T&E cables connected to a 32A MCB. There are 19 socket outlets (SO) on the circuit in...
  16. P

    reversing a thermostat

    Is it possible to reverse the switching on a normal 230v AC thermostat, the spec is for an extraction fan to kick in when the heat builds up. I know that I could use a relay to reverse the normally open and closed sequence but something out of the box would be better. Thanks Phill
  17. A

    110v yellow site transformer in reverse

    a few years back i installed the electrics on a site in weymouth including the site supply ( large 110 temp transformer) the carpenter had a yellow site transformer but it was wired/converted in reverse(ar se about face) 110 in 220 out his tools were all 220 ac just thought i,d post this as a...
  18. 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!
  19. 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...
  20. 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...

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