On my two-gang light switch, why does the second switch only work if the other switch is also turned on? - Quora
![1 Gang & 2 Gang, 1 Way Switch Connection / How to Wire One Gang & Two Gang Light Switch / Explained - YouTube 1 Gang & 2 Gang, 1 Way Switch Connection / How to Wire One Gang & Two Gang Light Switch / Explained - YouTube](https://i.ytimg.com/vi/CCkxa-ZMRYM/maxresdefault.jpg)
1 Gang & 2 Gang, 1 Way Switch Connection / How to Wire One Gang & Two Gang Light Switch / Explained - YouTube
![Please help. Hi everyone, I live in the UK, and I'm trying to replace my existing 2-gang light switches with smart switches. I'm having some trouble trying to work out the correct Please help. Hi everyone, I live in the UK, and I'm trying to replace my existing 2-gang light switches with smart switches. I'm having some trouble trying to work out the correct](https://i.redd.it/yg86eouphl281.jpg)
Please help. Hi everyone, I live in the UK, and I'm trying to replace my existing 2-gang light switches with smart switches. I'm having some trouble trying to work out the correct
![What does "1 Gang", "2 Gang", and so forth mean when talking about electrical boxes? - Home Improvement Stack Exchange What does "1 Gang", "2 Gang", and so forth mean when talking about electrical boxes? - Home Improvement Stack Exchange](https://i.stack.imgur.com/4l6Lc.jpg)
What does "1 Gang", "2 Gang", and so forth mean when talking about electrical boxes? - Home Improvement Stack Exchange
![Light switch plate dimensions (MID-size) for 1-6 electrical gang boxes | Electricity, Gang, Light switch Light switch plate dimensions (MID-size) for 1-6 electrical gang boxes | Electricity, Gang, Light switch](https://i.pinimg.com/736x/f9/dd/51/f9dd5103dd423b199fc50a0459f4dc68.jpg)