wozzlegummich Posted March 20 Share Posted March 20 I have a house outside Bua Yai in Isaan and am trying to install smart wifi light switches. I notice that they (the 'electricians' that wired the house) have only switched the live side at the switches and left the neutral in the roof at the lights. I do know that there is smart switches avaialbe that do not require a neutral (only a capacitor across the live and neutral at the lights) but I beleive there are issues with buzzing noises and R.F. interference. I also believe that these type of switches are unable to dim, dimmable LED lights. My local guy is NOT an electrician and is having problems understanding what I need or why I would want it. Does anyone know of an english speaking sparky in the Bua Yai / Korat / Chaiyaphum or Khon Kaen areas I can talk to and hopefully get to do some work. Link to comment Share on other sites More sharing options...
Crossy Posted March 20 Share Posted March 20 I've fettled the heading slightly for more directed responses. Yeah, it's standard loop-in lighting wiring pretty much everywhere, if you need a neutral at the switch you need to specify it when wiring (we did and I've only actually used one of them). Dimming LEDs is a whole subject of its own. If you can't get neutrals to the switches, would you consider using smart lamps? Link to comment Share on other sites More sharing options...
OneMoreFarang Posted March 21 Share Posted March 21 Show him what you want to put behind the switch, i.e. a Shelly. Then he will see the connectors for L and N. I did not verify the diagram below, I just linked the first which I found. 1 Link to comment Share on other sites More sharing options...
sometimewoodworker Posted March 23 Share Posted March 23 On 3/21/2024 at 6:17 AM, wozzlegummich said: Does anyone know of an english speaking sparky in the Bua Yai / Korat / Chaiyaphum or Khon Kaen areas I can talk to and hopefully get to do some work. If you read your PMs you will find a reply Link to comment Share on other sites More sharing options...
bluejets Posted March 24 Share Posted March 24 (edited) On 3/21/2024 at 9:17 AM, wozzlegummich said: I also believe that these type of switches are unable to dim, dimmable LED lights. Neutral not required for certain dimmer types. Example........ https://www.sparkydirect.com.au/assets/brochures/42E350RLD2M-VW.pdf Edited March 24 by bluejets 1 Link to comment Share on other sites More sharing options...
digbeth Posted April 7 Share Posted April 7 say to the guy you want a plug next to the light switches, and he'll wire it right Link to comment Share on other sites More sharing options...
BritManToo Posted April 7 Share Posted April 7 (edited) On 3/21/2024 at 6:17 AM, wozzlegummich said: I notice that they (the 'electricians' that wired the house) have only switched the live side at the switches and left the neutral in the roof at the lights. I do know that there is smart switches avaialbe that do not require a neutral (only a capacitor across the live and neutral at the lights) but I beleive there are issues with buzzing noises and R.F. interference. I also believe that these type of switches are unable to dim, dimmable LED lights. Have most of my house with WiFi switches and no neutral, just capacitor across LED in ceiling. No buzzes, no problems. Don't know about dimming as I have none. https://s.lazada.co.th/s.nRG63 Edited April 7 by BritManToo Link to comment Share on other sites More sharing options...
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