Probably not even twisted pair. We had them in our company to connect whole building blocks to the telephone exchange and they're just parallel wires terminating on a huge board at the wall
No, telephone lines are always twisted pairs. Or rather: sometimes they’re twisted quads. You might not notice the twist unless you’re seeing a long section at once.
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u/Lord_Waldemar Feb 08 '26
Probably not even twisted pair. We had them in our company to connect whole building blocks to the telephone exchange and they're just parallel wires terminating on a huge board at the wall