Why do most light switches point up when the light is on and point down when the light is off? - Quora
![Verizon Supports Earth Hour in Maryland; Pledges to Turn Off Lights at Nearly a Dozen Employee Locations Across the State | About Verizon Verizon Supports Earth Hour in Maryland; Pledges to Turn Off Lights at Nearly a Dozen Employee Locations Across the State | About Verizon](https://www.verizon.com/about/sites/default/files/news-media/140325_Light_Switch_Off_640x400.jpg)
Verizon Supports Earth Hour in Maryland; Pledges to Turn Off Lights at Nearly a Dozen Employee Locations Across the State | About Verizon
![Turning Off Light Switch Stock Illustrations – 223 Turning Off Light Switch Stock Illustrations, Vectors & Clipart - Dreamstime Turning Off Light Switch Stock Illustrations – 223 Turning Off Light Switch Stock Illustrations, Vectors & Clipart - Dreamstime](https://thumbs.dreamstime.com/z/hand-turning-off-light-switch-hand-turning-off-light-switch-vector-flat-design-157375657.jpg)
Turning Off Light Switch Stock Illustrations – 223 Turning Off Light Switch Stock Illustrations, Vectors & Clipart - Dreamstime
![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-.jpg)
Isolated Wall Light Switch In The Off Position Stock Photo, Picture And Royalty Free Image. Image 18798091.
![Unidentified Man Hand With Finger On Light Switch Turn On Turn Off Lights. Save The Earth Concept. Stock Photo, Picture And Royalty Free Image. Image 81053606. Unidentified Man Hand With Finger On Light Switch Turn On Turn Off Lights. Save The Earth Concept. Stock Photo, Picture And Royalty Free Image. Image 81053606.](https://previews.123rf.com/images/ekarin/ekarin1706/ekarin170600023/81053606-la-main-de-l-homme-non-identifi%C3%A9e-avec-le-doigt-sur-le-commutateur-de-lumi%C3%A8re-allume-les-lumi%C3%A8res-sa.jpg)