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2. Cable tray - Wikipedia

   en.wikipedia.org/wiki/Cable_tray

   In the electrical wiring of buildings, a cable tray system is used to support insulated electrical cables used for power distribution, control, and communication. Cable trays are used as an alternative to open wiring or electrical conduit systems, and are commonly used for cable management in commercial and industrial construction. They are ...

3. Junction box - Wikipedia

   en.wikipedia.org/wiki/Junction_box

   A small metal, plastic or fiberglass junction box may form part of an electrical conduit or thermoplastic-sheathed cable (TPS) wiring system in a building. If designed for surface mounting, it is used mostly in ceilings, concrete or concealed behind an access panel—particularly in domestic or commercial buildings. [2]

4. Cable management - Wikipedia

   en.wikipedia.org/wiki/Cable_management

   Usually, the lines are fixed by clamping them into single cable clamps made of plastic or metal. Another possibility is to use so called cord grips which consist of weaved wire strands that put a grip around the cables. [3] A more cable-friendly alternative is attaching the lines to special strain relief plates using common cable ties. In case ...

5. Cable entry system - Wikipedia

   en.wikipedia.org/wiki/Cable_Entry_System

   Cable entry systems are used for routing electrical cables, corrugated conduits or pneumatic and hydraulic hoses into switch cabinets, electrical enclosures, control panels and machines or in large heavy-duty vehicles, rolling stock and ships. Possible requirements can be high ingress protection rates or integrated strain relief. [1]

6. 19-inch rack - Wikipedia

   en.wikipedia.org/wiki/19-inch_rack

   The height of the electronic modules is also standardized as multiples of 1.75 inches (44.45 mm) or one rack unit or U (less commonly RU). The industry-standard rack cabinet is 42U tall; [1] however, many data centers have racks taller than this. [2] The term relay rack appeared first in the world of telephony. [3]

7. Electrical enclosure - Wikipedia

   en.wikipedia.org/wiki/Electrical_enclosure

   An electrical enclosure is a cabinet for electrical or electronic equipment to mount switches, knobs and displays and to prevent electrical shock to equipment users and protect the contents from the environment. The enclosure is the only part of the equipment which is seen by users.