In rural areas, which pole class is specified?

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Pole class defines the structural strength rating of a pole to support the expected loads along a line, including the weight of conductors, attachments, and environmental forces like wind and ice. In rural areas, spans between poles are typically longer and the line is more exposed to wind, so you need a stronger pole than in urban settings, but not always the heaviest available. That’s why a Class 7 pole is specified: it provides the necessary strength for the longer spans and higher use-case loads common in rural distribution, without the added cost of the heaviest classes. Lighter classes would risk structural failure over long spans, while the heaviest classes are reserved for more extreme conditions. If conditions were even harsher, a heavier class like Class 9 might be used, but for standard rural installations, Class 7 is the appropriate choice.