Metal cabinets and enclosures adapted to hold electrical cables, including accessories relating to the foregoing; Cable trays for electric or fiber cables; Horizontal and vertical cable management panels; Electrical transmission connectors, patch cords, and cables; Wall plates for electrical components and connections; Communication cabling devices, namely, modular jacks, modular plugs, modules, faceplates, bezels, surface mount boxes, patch panels, and punch down systems comprised primarily of connecting blocks; Electrical adapters; Computer software for data center infrastructure management; Computer hardware for data center infrastructure management; Power distribution units, including hardware and accessories for the foregoing; Uninterruptible power supply units, including hardware and accessories for the foregoing; Hardware for intelligent patching; Computer software for intelligent patching; Power distribution apparatus for use in electrical systems; Power supply units; Power transmitters; Power receivers; Busbars (electric connections); Hardware for grounding and bonding; Identification marking devices for electric cables; Electronic label printers; Cable identification markers; Label holders and labels; Computer software for labelling; Computer software for voltage safety monitoring; Cable splices for electric cables; Surface raceway kits comprised primarily of raceway, namely, mounting devices of non-metallic hardware; Fittings for cabling and communications equipment, namely, couplers, inside corner, right angle, drop ceiling/entrance end, right angle entrance end, outside corner, tee, end cap, reducer or transition, entrance end and flexible, junction boxes, namely, electrical and communication, molded covers, namely, electrical and communication, divider wall, wire retainer, hanging device bracket, pre-cut box covers, and hanging boxes; Wall and rack-mounted enclosures for communication cable connections, namely, fiber optic cable, unshielded twisted pair cable, screened twisted pair cable, coaxial cable, and shielded twisted pair cable connections; Fiber optic cables and connectors; Fiber optic panels; Terminals (connectors) for optical fiber cables; Optical fiber plugs; Optical fiber jacks; Optical fiber adapters; Metal cabinets and enclosures adapted to hold fiber optic equipment, including accessories relating to the foregoing; Optical fiber patch cords, adapters, couplers, extenders, and interconnect trays and drawers; Cassette modules adapted to manage optical fibers.