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The KRAMER ELECTRONICS 97-91213040 is an HDMI plenum-rated cable with Ethernet channel support, designed for structured AV installations where building codes require plenum-rated wiring. Plenum-rated cables are constructed with low-smoke, flame-retardant jacketing approved for use in air-handling spaces such as drop ceilings and raised floors. This cable carries high-definition video and audio signals over a single HDMI connection while also supporting the HDMI Ethernet Channel (HEC) for network data transmission. It is typically installed by AV integrators, low-voltage technicians, and electricians working on commercial or institutional AV signal distribution systems.
This cable is suited for commercial and institutional environments where AV signal runs pass through plenum air-handling spaces. Typical applications include conference rooms, classrooms, auditoriums, and other facilities requiring compliant cable routing above drop ceilings or through HVAC air-return plenums. The integrated Ethernet channel makes it appropriate for installations where a single cable run must handle both HDMI signal and network connectivity between HDMI-HEC-enabled devices.
Designed as an OEM-style plenum HDMI cable for use with HDMI-equipped source and display devices in commercial AV signal distribution systems.
Installation should be performed by a licensed low-voltage technician or electrician familiar with NEC Article 800 and local building code requirements for plenum-rated cabling. Confirm that all cable runs through air-handling spaces use only plenum-rated materials as required by the authority having jurisdiction. Avoid sharp bends that exceed the cable minimum bend radius, and do not route alongside high-voltage conductors without proper separation. Verify HDMI source and display device compatibility with HDMI Ethernet Channel before relying on HEC functionality.
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