Is it possible to do a duplicate stitch on a cable stitch?

Knit the next row straight across if that is what your instructions say. If you end up with too many stitches, you may accidentally be doing a yarn over in...

Just make sure that the speaker cords are long enough, or you can find speakers that have a hook hole.

Simply put, it is a single crochet that you do back through the previous row. You do not turn your work. When you pull the loop through the previous stitch,...

It is not a good idea to do a duplicate stitch over a garter stitch. It will not look good. You need to do it over stockinette stitch.

Yes and no. Since a seed stitch included both knit and purl on the same side, it won't look quite as good as working on a straight stockinette stitch. When...

You can't use an overcast stitch on a raw edge. Not meaning that it is a bad idea, I mean that it is actually impossible.

When doing a garter stitch, you will knit every row. When doing a stockinette stitch, you will alternate between knitting one row and purling one row.

Maybe. It is a possibility. The ethernet cable "could: work, but you never know until you try.