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  1. G

    Neutral between phases

    I am trying to connect a smart light switch but there is not neutral. Next to the switch there is a socket with a neutral but it is under a different phase. I understand that it is the same neutral for the whole house on all phases, but when I use the other neutral, it short circuits. I checked...
  2. T

    Help with light switch replace

    I just tried to replace the light switch but I didn't took a picture or even try to look how it was wired. I'm getting out of my mind I've tried 3 new switches and it keeps turning down the main circuit breaker when I try to turn on the light what am I doing wrong ? I connected brown to brown...
  3. Dan

    Sharing and providing electrical (or Gas Plumbing) advice online - Discussion thread

    So this has been posted in the following forum categories:- American Electrical Forum - https://www.electriciansforums.net/forums/american-electrical-forum.169/ Canadian Electrical Forum - https://www.electriciansforums.net/forums/canadian-electrical-forum.170/ Australian Electrical Forum -...
  4. E

    Lightning protection in Africa

    I have a problem with lighting protection in a charity in Zambia. The earthing is TT, i.e. earth pits or rods are provided for almost every building. I have measured the resistance of these and some are half to one ohm. But others are 100 ohm which is is dreadful and we are redigging these...
  5. meisy#

    How to connect fluorescent lights?

    All fluorescent lights in this house (230V) are connected "1 switch - 1 light". So I have no where to get inspiration how to connect second fluorescent light. Could I do this?
  6. E

    Working as an electrician apprentice in other countries

    Hi I'm new to this forum.I am currently an electrician apprentice in Hong Kong. I yearn to work overseas. However, licenses may be required in certain countries. As far as I know, Australia trade assistant has to be granted provisional license in advance. If I want to start electrician...
  7. A

    Max Zs value for MCCBs

    Hi Guys, in an installation with one main Distribution board and several submain-DBs, do when you measure Zdb on a submain-DB incomer? and do we need to verify the Zdb value with the upstream protection device?( for example, a 250A, MCCB on the MDB outgoing). If yes, how can I get the max Zs...
  8. T

    Step up and Step down transformer

    Why is Delta star transformer used for step down transformer and star delta for step up transformer? According to this book, Electrical Power Systems By C L Wadhwa
  9. naylorpd

    Finding replacement LED driver

    I have in LED light which has stopped working. It's well-travelled, made in China, bought in Azerbaijan and installed in the UK. I assume the problem is with the LED driver, picture included. Made by Guo Xin, model GX-F36x1W for which an internet search reveals...nothing! So how do I find a...
  10. S

    Need to upgrade main panel?

    I have been meeting with solar system installers to install a grid-tied system at my house. Before I commit I want to verify whether I need to upgrade my main service panel. I have been reading about the 120% rule and am not sure if my current main service panel is sufficient. Any assistance...
  11. A

    Fridge tripping

    Hi My name is Allen Brauteseth from Cape Town South Africa. I am a Qualified electrician and am sitting with a problem being I have a commercial fridge for cold drinks that trips out the earth leakage after running for 10 minutes please could someone help me as the supplier says there isn't...
  12. C

    138/240Y System

    How would everyone feel about a 240Y system in a building with everything connected Line-Line? I personally like (want) this system. No TN-C, TN-C-S vs TN-S debate. No earthing/bonding debates of how to keep the neutrals separate in a multi source or generator system. No fire or shock risk...
  13. J

    TT supply with TNS sub mains

    Would like your opinions on the following setup. 300A 3 phase TT incoming supply feeding 15 units with 50A TNS obviously some link somewhere between Neutral and earth but haven't found it yet. I would think that each unit should be TT not TNS thoughts please
  14. T

    How to locate earth leakage wiring fault [Home wiring].

    Hello Everyone, I am from India. Things were good [seemed to be good] with temporary electric connection [single phase, 230v] to our new house. Now when we are organizing electrical wiring, dividing phases, installing ELCB, the problem started occuring. Now the electricity connection is of 3...
  15. C

    9/24 triple switch

    I'm sorry if my question is a bit basic but this part is not in my field. Can somebody tell me how do I do to wire a 9/24 triple switch circuit? Thank´s a lot!!!
  16. J

    Panel - soccer - light

    Hi, I want to build for my son that loves football a panel to hang on our garden wall. Whenever he hits the panel with his ball, a light should turn up. I saw this an amusement park, where there was a wall of panels and the target panel was changing. What I need is something more simple, not...
  17. Dmouck

    Three way wiring to single pole switch

    I tried to put in a smart switch, which should be simple enough but when I took the plate off I was surprised at what I saw. There are two lights controlled by the switch, but still single pole switch. The feed wire is three way with one hot going to one light and the other hot going to the...
  18. C

    Looking for some info on working abroad.

    Hi guys, Starting to get some itchy feet here in the UK and thinking that maybe it's time to move abroad with the family. Not entirely set on a place. I like the look of Australia, Canada, Cyprus or maybe one of the canary islands. Question is.. Can any of you point me in the right...
  19. R

    Wiring for the Australian market - hot water unit

    I purchased an Ecosmart 8 Instantaneous hot water system from Amazon and its really made for the North American market. The wiring says it need two active wires to make up 240 volt and no Neutral, Customer support have also told us this, however in Australia we have one red active wire and a...
  20. B

    Water on electronics, no breaker drops

    Hi everyone, I rented out an outdoor space for a party and they brought a DJ. Unfortunately there was a water pipe that burst and showered the entire party as well as the DJ stand (just my luck). The DJ is now telling me that all of his equipment is fried, laptops, TV, disk players...

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