This plenum 18 AWG in-wall speaker wire has a low smoke, flame retardant jacket and meets specific requirements by most state Fire Marshall Codes. Perfect speaker wire for installation in ducts, plenums, and other spaces used as environmental air returns.
| Length | 1000ft, 1000ft Pull Box, 500ft, 500ft,1000ft,1000ft Pull Box |
|---|---|
| Color |
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