Why would light switch manufacturers write the words on and off on their switches? Is it not obvious if the light is on or off? - Quora
![Electric Light Switch in on and OFF Positions Stock Vector - Illustration of house, environment: 19398372 Electric Light Switch in on and OFF Positions Stock Vector - Illustration of house, environment: 19398372](https://thumbs.dreamstime.com/z/electric-light-switch-off-positions-19398372.jpg)
Electric Light Switch in on and OFF Positions Stock Vector - Illustration of house, environment: 19398372
![Light Switch Doodle Icon Stock Illustration - Download Image Now - Light Switch, Switch, Icon - iStock Light Switch Doodle Icon Stock Illustration - Download Image Now - Light Switch, Switch, Icon - iStock](https://media.istockphoto.com/id/1168910322/vector/light-switch-doodle-icon.jpg?s=612x612&w=0&k=20&c=igBVHG9gKBOCHQhRZq2YSkZRRqKqQwP0f2dTdj749Hs=)
Light Switch Doodle Icon Stock Illustration - Download Image Now - Light Switch, Switch, Icon - iStock
![Isolated Wall Light Switch In The Off Position Stock Photo, Picture And Royalty Free Image. Image 18798091. Isolated Wall Light Switch In The Off Position Stock Photo, Picture And Royalty Free Image. Image 18798091.](https://previews.123rf.com/images/chianim8r/chianim8r1303/chianim8r130300007/18798091-isolated-wall-light-switch-in-the-off-position.jpg)
Isolated Wall Light Switch In The Off Position Stock Photo, Picture And Royalty Free Image. Image 18798091.
![50 Pack] BESTTEN Single Pole Decorator Wall Light Switch with Wallplate, 15A 120/277V, On/Off Rocker Paddle Interrupter, UL Listed, White - - Amazon.com 50 Pack] BESTTEN Single Pole Decorator Wall Light Switch with Wallplate, 15A 120/277V, On/Off Rocker Paddle Interrupter, UL Listed, White - - Amazon.com](https://m.media-amazon.com/images/I/61agTBCOsDL.jpg)