Short answer, yes.
I really prefer the local disconnect switch but the code still allows a breaker lock.
I wonder how many of these breaker lock devices ever get used.
I was hard enough to enforce LOTO procedures in managed commercial installations. I bet residential use is in fractions of one percent. Do residential electricians even have LOTO equipment on their trucks? Certainly the homeowner or the handyman doesn't. I do have a LOTO tag in all of my breaker boxes on a short piece of #12 that goes in the hole of a breaker handle, just for my protection.
Ever forget? Happened to me.
