Description

This article is from the Data Communications Cabling FAQ, by Peter Macaulay pmac@fox.nstn.ca with numerous contributions by others.

5.0 Specific Cable Classifications (Data Communications Cabling)

CMS, CL2X (Restricted Cable) must be enclosed in conduit,
up to 10 feet exposed; must pass UL 1581 VW-1 test

CM, CL2 (General Purpose Cable) for use in areas other
than risers or plenums; must pass UL 1581 vertical tray test

CMR, CL2R (Riser Cable) for cable in vertical shafts;
must pass UL test method 1666

CMP, CL2P (Plenum Cable) for use in plenum areas (air ducts);
must pass UL 910 test for smoke and flame spread

 

Continue to:

• prev: 3.0 National Electrical Code (NEC) (Data Communications Cabling)
• Index
• next: 6.0 Cable Conductors (Data Communications Cabling)

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networking, cabling, data communications, standards, implementations, 10Base-T, Classification, cable rating, fiber optic cable