In most buildings the inside floor is at a higher level than the outside grade.
Well that may be stretching it a bit but I think the intent is to have the receptacle available for easy access by a serviceman and that's why the code requires one to be installed. If you had to run an extension cord through doors or windows we would be back to the days when the receptacle wasn't required.
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but I think the intent is to have the receptacle available for easy access by a serviceman and that's why the code requires one to be installed. If you had to run an extension cord through doors or windows we would be back to the days when the receptacle wasn't required.
