Install bearing structures for high-voltage power cables. Closed trough trays (good protection performance) or perforated cable trays (better heat dissipation) are commonly used for high-voltage cable trays in data centers, installed by overhead suspension or bracket support.

Construction Standards:
Execution Standard: GB50462-2024 Clause 5.3, GB50303
Horizontal deviation of supports and hangers ≤2mm/m, vertical deviation ≤3mm/m
Connection plates shall use anti-loosening nuts with fastening torque ≥30N·m
Total grounding resistance of the tray system ≤0.1Ω
When laid under raised floors, the bottom of the tray shall not be closely attached to the ground

High-voltage and low-voltage trays shall maintain a safe separation distance; if they must be laid on the same tray due to space constraints, metal partition plates must be used for isolation