I was adding an Ethernet drop to my home office and when I cut into the drywall I found two seemingly plastic strands that remind me of weed trimmer string running parallel to the floor, at the height the outlets are at. The plastic is relatively taught and doesn’t move much to the left or right when I pull on it lightly. There are two electrical outlets on this wall and that is it. Other side of the wall is a stand up shower and separate bath. I’m not concerned, just curious what it is. Maybe some kind of pull string left over from when the electrician ran power?
Picture of it is here https://imgur.com/a/nGBeedm
View Reddit by 8bitInventor – View Source