You’re question sounds like you are running the wires. They make numbered stickers specifically for marking long pulls of wire so you don’t have to test them. Just wrap a number around both ends and voila. https://www.amazon.com/Gardner-Bender-42-029-Booklet-Identification/dp/B000VZM37C
Very true if you are doing a lot of work like that. I was only suggesting the easiest method for what I assume would be a one time thing.