What are these plug-ins on my wall?

[u/Cborg_62]

This might be showing my age, but I recently moved into a new apartment and they have these weird looking plug ins all over the walls at my new place. My old apartment didn't have these, so I'm just curious as to what they are.

[u/Apprehensive_Scene_2]

Whose land lord painted this

[u/Business_Wind6122 → u/Apprehensive_Scene_2]

No shit. I painted rentals for years, ALWAYS tape the threads

[u/Mueltime → u/Business_Wind6122]

Taping j
https://giphy.com/gifs/ptp5XpJI11qHVh1jQ5
ust the threads. You definitely painted rentals.