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2. Thermoplastic-sheathed cable - Wikipedia

   en.wikipedia.org/wiki/Thermoplastic-sheathed_cable

   The earth conductor is always stranded (unlike North American usage), with the exception of 1 mm 2 cables, and covered with green-yellow striped plastic insulation. In older cables the plastic insulation of the earth conductor is green. [6] Prior to the introduction of TPS cable, tough rubber sheathed (TRS) cable was used.

3. Fiber-optic cable - Wikipedia

   en.wikipedia.org/wiki/Fiber-optic_cable

   A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry light. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable is used.

4. 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 ...

5. 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]

6. Power cable - Wikipedia

   en.wikipedia.org/wiki/Power_cable

   Electrical power cables are sometimes installed in raceways, including electrical conduit and cable trays, which may contain one or more conductors. When it is intended to be used inside a building, nonmetallic sheathed building cable (NM-B) consists of two or more wire conductors (plus a grounding conductor) enclosed inside a thermoplastic ...

7. Electrical conduit - Wikipedia

   en.wikipedia.org/wiki/Electrical_conduit

   It is a new type of plastic wire conduit in the industry. Compared with PVC electrical conduit, it has three advantages. First: low smoke. Due to the unique material and formula, LSZH conduit only produces a small amount of black smoke when burning, and most compounds will absorb heat energy and release steam when burning.