Hi Charles and Jack, The post you are referring to is a cathodic protection post, which serves multiple functions to ensure we provide safe, reliable service. The wires within the box travel along our main. When we do markouts, we send vibrations along those wires so we know where the main is and can mark it appropriately. If you would like to learn more, please call us at 800-221-0051. Thank you!
Let me know if you find out 🤔
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