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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. UL Listed Type CMP18 AWGShielded2 ConductorBare copper conductors300 Volt Stranded Drain Wire
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🇺🇸 Ship from USA · On Agora since 2025
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