![Electrician is making new light switch putting on new button, electric installation work Stock Photo - Alamy Electrician is making new light switch putting on new button, electric installation work Stock Photo - Alamy](https://c8.alamy.com/comp/T7RPB8/electrician-is-making-new-light-switch-putting-on-new-button-electric-installation-work-T7RPB8.jpg)
Electrician is making new light switch putting on new button, electric installation work Stock Photo - Alamy
![If any one can tell me what these wires are I would be very thankful. I'm putting in a light switch if that helps. House was built in the 1970s : r/electricians If any one can tell me what these wires are I would be very thankful. I'm putting in a light switch if that helps. House was built in the 1970s : r/electricians](https://i.redd.it/8nnks3jh6r451.jpg)
If any one can tell me what these wires are I would be very thankful. I'm putting in a light switch if that helps. House was built in the 1970s : r/electricians
![Electrician is putting buttons on european standard light switch, electrical installation Stock Photo - Alamy Electrician is putting buttons on european standard light switch, electrical installation Stock Photo - Alamy](https://c8.alamy.com/comp/T7RPAY/electrician-is-putting-buttons-on-european-standard-light-switch-electrical-installation-T7RPAY.jpg)