I have a question that might sound silly but I am going to ask it anyway. I have a customer who owns an apartment complex that needs it's meters labeled. (What unit is tied to what meter.) He has a meter stack that has about 9 meters; one for each unit and one for the laundry room. Labeling is required. I am wondering what is the best way to go about this. I really don't want to shut off power to any of the units if I don't have to. Am I overlooking something obvious here?