Unless it's POE.
Fellon: see 800.2 and its def of communications circuit.
Negatory. Read through this article and it will make sense:
Consulting - Specifying Engineer - Learning objectives Understand NEC Articles 725 and 800, and how they affect network cabling for electrical engineers. Determine which Article to start
(Hal: we had this discussion before and I posted the same article and you stated you dont believe the author. Fine.