Data cable in metal conduit requires no separation when both systems are in separate metallic raceways. Separation isn't just an EMI precaution — it protects signaling, reduces rework, and ensures pathways meet inspection expectations across risers. cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transposed to si osure, overheating or. Separating high-voltage power cables from low-voltage communication cables is a fundamental requirement in any electrical installation. This practice is mandatory for two distinct reasons: ensuring the safety of the structure and its occupants, and preserving the integrity of sensitive data. Best practices for routing are as follows: use dedicated trays, conduits or ducts for network cables; route cables away from high-voltage equipment whenever possible; maintain consistent bend radius to avoid damaging shielding; and if multiple cables run together, ensure bundles are not overly. I don't know about Australia, but in the US, the NEC requires circuits over 1000 V must be separated from lower voltage circuits via a metal barrier. Divided tray is an option, as would be metal-clad cable. However, most of the time separate trays are run in my experience. This is a safety issue. Multiconductor cables rated over 600 volts shall be separated from lower voltage cables by a separate cable tray or a solid fixed barrier.