Look for some oversized cover plates.
Gap between light switch and wall.
This can happen when you remove wall paneling tile wainscot or batten.
Twist your wire cap on to secure the two wires.
Make sure they are firmly connected.
I think they invented them just for situations like this.
Find the right depth for your needs.
Plastic shims are a fast easy solution for backsplash electrical outlets in which the wall box is recessed below tiling quartz granite paneling etc.
Twist the ground wire coming from your light fixture to the ground wire coming from the wall using a clockwise motion.
Your area looka a bit rough so the contact paper might have a tough time laying flat.
The other is to cover the area with a contact paper and trim the outside to match the edge of the switch plate.
If the gap is bigger and lopsided use foam sealant that s formulated for use around doors and window framing.
When you add a switch or outlet cover there s a gap between the cover the wall.
Deep plates feature a deeper edge bevel to reach back farther around your electrical box s edges.
Twist the white wire from the light fixture to the white wire coming from the wall using a clockwise motion.
If the gap between the electrical box and the drywall is less than 1 4 in fill it with acrylic latex caulk.
The minimally expanding foam won t drip down your walls.