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2. Bushing (electrical) - Wikipedia

   en.wikipedia.org/wiki/Bushing_(electrical)

   In electric power, a bushing is a hollow electrical insulator that allows an electrical conductor to pass safely through a conducting barrier such as the case of a transformer or circuit breaker without making electrical contact with it. Bushings are typically made from porcelain, though other insulating materials are also used.

3. Isolated-phase bus - Wikipedia

   en.wikipedia.org/wiki/Isolated-phase_bus

   Various forms of flexible terminals, expansion joints, and weatherproof or fire-proof bushings and terminals are used with isolated-phase bus. Some types of apparatus such as disconnecting switches, circuit breakers, and instrument transformers are made in enclosures that can be welded to become an integral part of the isolated-phase bus system.

4. Insulator (electricity) - Wikipedia

   en.wikipedia.org/wiki/Insulator_(electricity)

   Ceramic insulator used on an electrified railway Three-core copper wire power cable, each core with an individual colour-coded insulating sheath, all contained within an outer protective sheath. An electrical insulator is a material in which electric current does not flow freely. The atoms of the insulator have tightly bound electrons which ...

5. Bushing (isolator) - Wikipedia

   en.wikipedia.org/wiki/Bushing_(isolator)

   A rubber bushing may also be described as a flexible mounting or antivibration mounting. These bushings often take the form of an annular cylinder of flexible material inside a metallic casing or outer tube. They might also feature an internal crush tube which protects the bushing from being crushed by the fixings which hold it onto a threaded ...

6. Corona ring - Wikipedia

   en.wikipedia.org/wiki/Corona_ring

   Corona rings are used on extremely high voltage apparatus like Van de Graaff generators, Cockcroft–Walton generators, and particle accelerators, as well as electric power transmission insulators, bushings, and switchgear. Manufacturers suggest a corona ring on the line end of the insulator for transmission lines above 230 kV and on both ends ...

7. NGK Insulators - Wikipedia

   en.wikipedia.org/wiki/NGK_Insulators

   It primarily produces insulators but also produces other products, especially ceramic products. NGK is headquartered in Tokyo (Marunouchi Bldg. 25F, 2-4-1, Marunouchi, Chiyoda-ku, Tokyo 100–6325) and is listed on the Nikkei 225 , which is an index of the Tokyo Stock Exchange . [ 2 ]