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How do they know which is which?
(i.imgur.com)
Serious question.
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this post was submitted on 31 May 2025
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Mildly Interesting
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Power linemen have phasing sticks to determine which phase is which.
Datacom wires are, to start, much lower on the pole than power cables, and have markings on the cable jacket to determine what the cable actually is (fiber, coax, tel, etc). Beyond that, there is usually some tagging at each service point.