NEC Classifications for Wire and Cable

Article 725

Remote Control, Signaling, and Power Limit Circuits

Designation
Application Flame Test
CL2X
CL3X
Class 2 and 3 power limited cables for use in dwellings and raceways VW-1
CL2
Class 2 and 3 power limited cables for general purpose use. UL 1581 Vertical Tray Flame Test
CL2R
CL3R
Class 2 and 3 power limited riser cables for use in vertical riser shafts. UL 1666 Riser Flame Test
CL2P
CL3P
Class 2 and 3 power limited plenum cables for use in ducts and air plenums UL 910 Steiner Tunnel Test

Article 760

Fire Protection Signaling Systems

Designation
Application Flame Test
FPL
Power limited fire alarm cable for general purpose fire alarm use. UL 1581 Vertical Tray Flame Test
FPLR
Power limited fire alarm riser cable for use in vertical riser shafts. UL 1666 Riser Flame Test
FPLRP
Power limited fire alarm plenum cable for use in ducts and air plenums UL 910 Steiner Tunnel Test

Article 800

Communications Circuits
(Commonly specified for telecommunication cables and composite data/telecom cables).

Designation
Application Flame Test
CMX
Communications cable for use in nonconcealed areas in lengths less than 10 feet. Also for use in dwellings VW-1
CM
Communications cable for general purpose communications use. RL 1581 Vertical Tray Flame Test
FPLRP
Power limited fire alarm plenum cable for use in ducts and air plenums UL 910 Steiner Tunnel Test
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About C&M Corporation

C&M Corporation designs and manufactures world-class wire and cable, cable assemblies and coil cords.  With the ability to engineer and produce custom cable products quickly, C&M helps our customers minimize their technical and supply chain risks.

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