Power, data cabling, and cooling may be routed above a Data Center's false ceiling or below a raised floor.
An overhead installation is less expensive and takes up less space that an under-floor one. Patch cables and power cords all connect above your Data Center server cabinets when infrastructure is installed overhead. This makes them unlikely to be snagged in passing but requires Data Center users to climb a stepladder every time they want to connect to or disconnect from the infrastructure, which is inconvenient and carries its own snagging risks. If you install power and data overhead, use twist-lock plugs and receptacles and patch cords with sturdy connector tabs to reduce the risk of accidental unplugs.
Most Data Centers have a ...