Plenum
Cat6 Bare Copper vs CCA, Riser vs Plenum: Choosing Cable That Actually Carries PoE
Bare copper vs CCA for PoE, riser vs plenum, distance limits for 1G and 10G, and when to order Cat6 made to length.
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Cable Jacket Ratings Explained: CMP, CMR, CMG, CM, CMX, LSZH and Direct Burial, Where Each Is Allowed by NEC 800.113 and Article 725
What each communications and low-voltage cable jacket rating means, the flame test behind it, the substitution hierarchy that lets a higher rating replace a lower one, and a room-by-room table of which rating the NEC requires for Cat6, coax, thermostat and speaker cable.
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