How should electrical power cabling be physically separated from data cabling in a CRCF?

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Separating power cabling from data cabling is essential to protect signal integrity and safety in a CRCF. Power cables carry higher currents and can generate electromagnetic interference (EMI) that disturbs nearby data transmissions. They also pose greater fire risk, so keeping them physically apart reduces the chance that a fault in power wiring or arcing could affect data cables. The proper approach is to run power in its own trays or spaces with barrier separation, and data in its own trays or spaces, with appropriate fire-rated barriers where required and maintain the prescribed clearances. If routes must cross, crossings should be at right angles and kept distinct to minimize interaction. Routing power and data together or in the same conduit or tray defeats these protections and increases EMI and fire hazards.