I'm trying to get a speaker cable from one side of my brick fireplace to the other; can I drill right through? How thick will it likely be (Victorian terrace)? If I have a hole in the left and right side, how do I fish a cable through? There's a cast iron fire still in place and I don't know how much access I'll have.
Use a hoover to hoover a small thread through the hole, attach to speaker cable and pull through, same as you might thread a di2 wire through a bike frame.
I fished cables through a 125yo stud wall today using a gear outer, then winding the earth of a 3 core cable round an inner cable. Taped it all together and got it all through in one go.
I'm trying to get a speaker cable from one side of my brick fireplace to the other; can I drill right through? How thick will it likely be (Victorian terrace)? If I have a hole in the left and right side, how do I fish a cable through? There's a cast iron fire still in place and I don't know how much access I'll have.