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Plenum cable is mainly used to comply with fire codes.
True
False
True, plenum cables are widely used for air circulation in heating and air-conditioning systems in datacenters. EDIT:"Plenum rated cable has a special insulation that has low smoke and low flame characteristics. Plenum cable is mandated to be installed in any "air handling" space. For example, most large office buildings use the ceiling to return air to the AC unit."
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