What does the tag color on a electric meter mean?

My power in my new apartment was supposed to be turned on monday but it wasn't. I called in to the electric company and they said that the service should be turned on and to just check the breakers but if that doesn't work check the tag color on the meter. What does the tag color mean? And what does it have... show more My power in my new apartment was supposed to be turned on monday but it wasn't. I called in to the electric company and they said that the service should be turned on and to just check the breakers but if that doesn't work check the tag color on the meter. What does the tag color mean? And what does it have to do with my power coming on?
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