I don't think it is a standardized spec., every builder has a different spec., they should have provided the buyer a copy of their spec details. I do know some builders don't even provide the garage door opener which is a must for every garage. So always read before you sign anything.
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Don't be frustrated, no big deal at all, as long as the basement isn't finished, the cable guy can do his job; just may cost you a small sum of money.