For plenum spaces, West Penn 25225B offers a two-conductor 16 AWG stranded cable rated to the NFPA 262 smoke and flame test. It is a sound choice for speaker runs and low-voltage power where extra copper keeps losses down.
Two 16 AWG stranded (19x29) ASTM bare copper conductors, short overall twist
Nominal DC resistance 4.2 ohms per 1000 ft
Polymer alloy insulation, .008 in nominal thickness
Insulation colors: black, red
Overall flexible plenum jacket .015 in thick, nominal OD .176 in
NEC Type CMP
UL listed and cUL listed, meets 300V NEC requirements
Flame rating NFPA 262 smoke and flame test
Applications in plenum spaces: speaker level, audio circuits, low-voltage power, background music
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