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2. Keystone module - Wikipedia

   en.wikipedia.org/wiki/Keystone_module

   The origin of the "Keystone" module may be traced back to US Patent 4261633 of Aug 27, 1979 for a "Wiring module for telephone jack" - by Amp Incorporated. [1] The module referred to in that patent was affixed by "A pair of diagonally inclined mounting flanges (which) include stepped, panel bearing surfaces .. at the outer free ends thereof."

3. Electrical busbar system - Wikipedia

   en.wikipedia.org/wiki/Electrical_busbar_system

   Enclosure comparison with normal wiring & with busbar system. Electrical busbar systems [1] (sometimes simply referred to as busbar systems) are a modular approach to electrical wiring, where instead of a standard cable wiring to every single electrical device, the electrical devices are mounted onto an adapter which is directly fitted to a current carrying busbar.

4. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   The addition is a 3 ⁄ 16-inch (4.8 mm) diameter round or U-shaped ground pin, 1 ⁄ 8 in (3.2 mm) longer than the power blades (so the device is grounded before the power is connected) and located from them by 1 ⁄ 4 in (6.4 mm) edge-to-edge or 15 ⁄ 32 in (11.9 mm) center-to-center.

5. Electrical connector - Wikipedia

   en.wikipedia.org/wiki/Electrical_connector

   The movable (less fixed) connector is classified as a plug (denoted P), [37] designed to attach to a wire, cable or removable electrical assembly. [38] This convention is currently defined in ASME Y14.44-2008, which supersedes IEEE 200-1975 , which in turn derives from the long-withdrawn MIL-STD-16 (from the 1950s), highlighting the heritage of ...

6. Electrical conduit - Wikipedia

   en.wikipedia.org/wiki/Electrical_conduit

   FMT is a raceway, but not a conduit and is described in a separate NEC Article 360. It only comes in 1/2" & 3/4" trade sizes, whereas FMC is sized 1/2" ~ 4" trade sizes. NEC 360.2 describes it as: "A raceway that is circular in cross section, flexible, metallic and liquidtight without a nonmetallic jacket."

7. Cable harness - Wikipedia

   en.wikipedia.org/wiki/Cable_harness

   A cable harness, also known as a wire harness, wiring harness, cable assembly, wiring assembly or wiring loom, is an assembly of electrical cables or wires which transmit signals or electrical power. [1] The cables are bound together by a durable material such as rubber, vinyl, electrical tape, conduit, a weave of extruded string, or a ...

8. Cable gland - Wikipedia

   en.wikipedia.org/wiki/Cable_gland

   A cable gland (more often known in the U.S. as a cord grip, cable strain relief, cable connector or cable fitting) is a device designed to attach and secure the end of an electrical cable to the equipment. [1] A cable gland provides strain-relief and connects by a means suitable for the type and description of cable for which it is designed ...

9. Copper-clad aluminium wire - Wikipedia

   en.wikipedia.org/wiki/Copper-clad_aluminium_wire

   A copper strip is formed into the shape of a cylinder, while it is being wrapped around an aluminum core and the edges of the copper strip are welded together. The assembly is then pulled through a die, where the cladded wire is squeezed and stretched while also improving the bonding between the copper and the aluminum core. [1]