You can install them in suspended ceiling spaces and in environmental air spaces [393. All wall jacks are piped up above each floor's ceiling (1st floor to above drop ceiling; 2nd floor to attic) and each floor's cable bundle is run to the adjacent space to the network rack via a common 2" pipe per floor. No issue with the 2nd floor, but the inspector told our Building/Grounds POC. For example, yes here in Missouri we will be fined if the inspection finds any low-volt cabling, not in the proper tract, ladder, j-hooks, etc. Cable management in this void is necessary for. The trend towards denser rack-mount servers has affected network enclosure design, resulting in a need for deeper cabinets. For instance, standard cabinets are at least 36 inches (900 mm) deep or even deeper. One particular server is 40 inches (1,000 mm) deep and requires a 48-inch- (1,200 mm) deep. The NEC permits a low-voltage power distribution system if it consists of four major components [393. Listed or identified fittings, connectors, and/or grid rails.
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