| http://www.w3.org/ns/prov#value | - Indoor within ducts, plenums, and other spaces used for environmental air for (Intercom Systems,Security Systems, Sound, Audio, Background Music)Conductor: 14 AWG Bare Copper Stranding: 19x27 Insulation: Material Flex Plenum PVC Insulation: Thickness 0.010'' Nom.
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