Everything's getting more resistant these days.

Good move, that stuff is built to last. Knock all the concrete dust and grit out first, it gets everywhere. Straighten any bent sections with a mallet before you try to mount it. Watch for old plastic coatings that might be peeling, sometimes that junk hides lead paint. Keep different sizes sorted, nothing worse than digging through a pile when you need a specific width. Dry storage is key or you'll just be dealing with surface rust later.

Lol "saved my sanity" over some cables? It's not that deep. Untangling a bird's nest takes like a minute tops. Seems like a lot of drama for a minor hassle.