I'm doing a little bit of kitchen remodeling, overflow from my home theater remodeling. I'm adding some RCA input ports to a pre-existing low voltage wall plate that previously hosted just Cat5 and RG6. Problem is, when this plate was first installed (before I was here), enough room was made only for the cat5 and RG6 aligned vertically.
Low voltage wall plate cutout:
Current Wallplate:
As you can see from the picture, I rather foolishly thought I could just chisel the tile along the edges and break more off.
My question is somewhat twofold I suppose:
How do I properly cut the pre-existing backsplash tile, and how do I fix the damage I've already caused?