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What's the difference? Apparently both cables are rated to 10 Mbit. -- Kvng ( talk) 18:08, 22 August 2010 (UTC) reply

Both exist, where does it say exactly that cat4 is with 4 wires only. —Preceding unsigned comment added by 194.8.62.126 ( talk) 19:31, 19 February 2011 (UTC) reply