179 Electronics Technical Information Reprinted with permission from NFPA 70-2008 National Electrical Code ®, copyright © 2008, National Fire Protection Association, Quincy, MA 02269. This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard in its entirety. National Electrical Code® and the NEC© are registered trademarks of the NFPA. Communication wire and cable for premise installations in accordance with Article 800, and other applicable parts of the National Electrical Code (NEC), latest issue. Communication wire and cables for Canada are in accordance with the harmonized Canadian Standard Association C22.2 No. 214, Underwriters Laboratories UL 444, latest issue. FIRE RESISTANCE LEVEL TEST REQUIREMENT NEC ARTICLE 800 725 760 820 (Highest) Plenum Cables NFPA 262 (Steiner Tunnel) CSA-CMP (Steiner Tunnel) CMP CL3P CL2P FPLP CATVP Riser Cables UL-1666 (Vertical Shaft) CMR CL3R CL2R FPLR CATVR General-Purpose Cables Multiple Floors UL-1581 (Vertical Tray) CSA-CMG (Vertical Tray) CMG CM CL3 FPL CATV (Lowest) Residential Cables Restricted Use UL-1581 VW-1 CMX CL2 CL3X CATVX Notes: 1. Cables with a higher fi re resistance level may be substituted for those with a lower fi re resistance level. 2. Non-fi re rated outside plant telephone cables may not run outside of a rigid metal conduit more than 50 feet from the point of entrance into a building. 3. Cables rated cmg or cm may be used in runs penetrating one fl oor. (nec 800-53) ARTICLE 800 Table 800-154(E). Cable Uses and Permitted Substitutions CABLE TYPE USE REFERENCE PERMITTED SUBSTITUTIONS CMP (FT6) Communications plenum cable 800-154(a) CMR Communications riser cable 800-154(b) CMP CMG (FT4) CM (FT1) Communications general purpose cable 800-154(c) CMP, CMR CMX (FT1) Communications cable, limited use 800-154(c) CMP, CMR, CMG, CM Note: See Figure 800-154(E), Cable Substitution Hierarchy ARTICLE 725 Table 725-154(G). Cable Uses and Permitted Substitutions CABLE TYPE USE REFERENCE PERMITTED SUBSTITUTIONS CL3P Class 3 plenum cable 725-61(a) CMP CL2P Class 2 plenum cable 725-61(b) CMP, CL3P CL3R Class 3 riser cable 725-61(b) CMP, CL3P, CMR CL2R Class 2 riser cable 725-6 (b) CMP, CL3P, CL2P, CMR, CL3R PLTC Power-limited tray cable 725-61(c) and (d) CL3 Class 3 cable 725-61(b), (e) and (f) CMP, CL3P, CMR, CL3R, CMG, CM, PLTC CL2 Class 2 cable 725-61(b), (c) and (f) CMP, CL3P, CL2P, CMR, CL3R, CL2R, CMG, CM, PLTC, CL3 CL3X Class 3 cable, limited use 725-61(b) and (e) CMP, CL3P, CMR, CL3R, CMG, CM, PLTC, CL3, CMX CL2X Class 2 cable, limited use 725-61(b) and (e) CMP, CL3P, CL2P, CMR, CL3R, CL2R, CMG, CM, PLTC, CL3, CL2, CMX, CL3X Note: See Figure 725-154(G), Cable Substitution Hierarchy Type CM — Communications wires and cables Type CL2 and CL3 — Class 2 and Class 3 remote-control, signaling and power-limited cables Type PLTC — Power-limited tray cable A → B Cable A shall be permitted to be used in place of Cable B Figure 725-154(G), Cable Substitution Hierarchy CMP CMR CMG CM CMX CL3P CL3R PLTC CL3 CL3X CL2P CL2R CL2 CL2X Plenum Riser General Purpose Dwellings Type CM — Communications cables A → B Cable A shall be permitted to be used in place of Cable B Figure 800-154(E) Cable Substitution Hierarchy *CMG can be substituted for CM—CM can NOT be substituted for CMG CMP CMR CMG CM CMX Plenum Riser General Purpose Dwellings * NEC/CEC Substitution Chart
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