Same bend the ends over for a better grip then trim to size.
Also worked really well with ceiling grid wire, used to get rolls from the skips and do metres at a time and cut to length for fish wires.
I installed classic galaxy for years and always used the keypad, never had an issue just used to carry one on a flylead and find somewhere comfortable to do it. Even better doing it on the bench in the comfort of your office.
Always had a car of sorts but I remember driving home from Sheffield and on the roundabout going onto the M1 a battery slid around on the passenger footwell and started smouldering with some old paper dockets I'd tossed there.
I managed to rescue the battery before it took hold and as I was on my way home I did it one handed Dukes of Hazard style without stopping