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Plenum cable / ˈ p l ɛ n əm / is electrical cable that is laid in the plenum spaces of buildings. In the United States , plastics used in the construction of plenum cable are regulated under the National Fire Protection Association standard NFPA 90A: Standard for the Installation of Air Conditioning and Ventilating Systems.
Category 5 cable that is partially stripped and showing its four twisted pairs (eight wires). Category 5 cable (Cat 5) is a twisted pair cable for computer networks.Since 2001, the variant commonly in use is the Category 5e specification (Cat 5e).
Comparison of SWG (red), AWG (blue) and IEC 60228 (black) wire gauge sizes from 0.03 to 200 mm² to scale on a 1 mm grid – in the SVG file, hover over a size to highlight it. In engineering applications, it is often most convenient to describe a wire in terms of its cross-section area, rather than its diameter, because the cross section is directly proportional to its strength and weight ...
Coaxial cables are often joined with power cables for CCTV use, meaning that only one cable has to be run to provide a both video and power connections. [10] Twisted pair cables such as Ethernet cables are sometimes combined with fiber-optic cables. A common configuration is a four-pair Category 5 cable with two strands of multimode fiber optic ...
An 8P8C modular plug. This is the common crimp-type plug, of the same kind pictured above crimped onto a cable (with molded sleeve). A modular connector is a type of electrical connector for cords and cables of electronic devices and appliances, such as in computer networking, telecommunication equipment, and audio headsets.
Structured cabling design and installation is governed by a set of standards that specify wiring data centers, offices, and apartment buildings for data or voice communications using various kinds of cable, most commonly Category 5e (Cat 5e), Category 6 (Cat 6), and fiber-optic cabling and modular connectors.
A MIL-DTL-38999 circular connector plated with a nickel–teflon composite. Left: plug (male) type connector; Right: receptacle (female) type connector) Electrical or fiber-optic connectors used by U.S. Department of Defense were originally developed in the 1930s for severe aeronautical and tactical service applications, and the Type "AN" series set the standard for modern military circular ...
Standard UK metric twin and earth cable sizes. 1/1 mm 2 and 1.5/1 mm 2 have solid conductors and CPC (primarily used on low power lighting or alarm circuits) 2.5/1.5mm 2 has a solid CPC and may have solid or stranded conductors (primarily used for socket circuits, radial or ring circuit)