Information about Power Cables

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About Power Cables

Power cables are solid or stranded conductors surrounded by insulation, shielding, and a protective jacket. These cables are designed for high voltages (>600 V). Generally the power cables are rated Low Voltage (<1kV), Medium Voltage (6-36 kV), and High Voltage (>40 kV). Applications for power cables are for use with heavy machines, feeders and branch circuits in industrial, commercial, and electric utility applications. Important cable performance specifications to consider when searching for power cables include number of conductors, nominal outer diameter, rated voltage, rated amperage, and operating temperature. The number of conductors is the number of insulated conductors in the cable. The nominal outer diameter is the diameter of the cable or wire including insulation and jacket.

Products & Services Related to Power Cables

Cable Assemblies

Cable assemblies are collections of wires or cables banded into a single unit with connectors on at least one end.

Coaxial Cables and Triaxial Cables

Coaxial cables have one conductor insulated with a dielectric material and then surrounded by the other conductor, usually referred to as the center conductor and shield. Triaxial cables are specialized coaxial cables.

Flat Cables

Flat cables are typically used in computers for internal connections to peripherals. They are also referred to as ribbon cables.

Industrial Network Cables

Industrial network cables are used in industrial applications such as automation, control and data acquisition.

Multiconductor Cables

Multiconductor cables contain two or more conductors, each of which consists of a single wire or combination of wires. Cable shielding is placed around an insulated conductor or group of conductors to prevent electrostatic or electromagnetic interference between the enclosed wires and external fields.

Serial Cables

Serial cables are used for the serial transmission of data. They support communication standards such as RS232, RS422, and RS485, as well as Fibre Channel, IEEE 1394 or FireWire^® (Apple Computer, Inc.), and universal serial bus (USB).

Video Cables

Video cables are used for the transmission of video signals, including monochrome, composite and component color video signals.

Engineering Web: Power Cables - Machine Design

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