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Power cables are used for bulk transmission of alternating and direct current power, especially using high-voltage cable. Electrical cables are extensively used in building wiring for lighting, power and control circuits permanently installed in buildings.
- What is the function of a cable?
- What is the function of cables and connectors?
- How do cables work?
- What are the three main parts of a cable?
- What is the function of cables inside the system unit?
- What is cable structure?
- What is inside a cable?
- What is the difference between wire and cable?
- What is difference between cable and connector?
- How many types of cable are there?
- What type of wiring device is cable?
- Why sheath is used in cable?
- What is cable insulator?
- What is cable and types of cable?
What is the function of a cable?
cable, in electrical and electronic systems, a conductor or group of conductors for transmitting electric power or telecommunication signals from one place to another.
What is the function of cables and connectors?
Cables are often designed into devices or created with a specific end-use in mind and there is a wide variety in the types of electronics cabling. Connectors are used where wire lines need to be attached or disconnected.
How do cables work?
Electrical cables work by providing a low resistance path for the current to flow through. ... The simplest electrical cable may just be a metal conductor - these cables are used as overhead line wires manufactured without any insulating material around the conductor other than the air that surrounds the conductor.
What are the three main parts of a cable?
Cables consist of three major components: conductors, insulation, protective jacket.
What is the function of cables inside the system unit?
Alternatively referred to as a cord, connector or plug, a cable is one or more wires covered in plastic that transmit power or data between devices or locations.
What is cable structure?
cable structure, Form of long-span structure that is subject to tension and uses suspension cables for support. ... The graceful curve of the huge main cables of a suspension bridge is almost a catenary, the shape assumed by any string or cable suspended freely between two points.
What is inside a cable?
Physically, an electrical cable is an assembly consisting of one or more conductors with their own insulations and optional screens, individual covering(s), assembly protection and protective covering(s). Electrical cables may be made more flexible by stranding the wires.
What is the difference between wire and cable?
The basic key difference between wires and cables is that a wire is a single conductor whereas a cable is a group of conductors. ... And in case of cables, they run parallelly and are twisted or bonded together to form a single case.
What is difference between cable and connector?
Answer: Connector: A connector is the unique end of a plug, jack, or the edge of a card that connects to a port. ... Cable: When referring to cables, the connector is the end of the cable that connects into a port. E.g., the end of a USB cable has a connector that allows it to connect to a USB port.
How many types of cable are there?
There are more than 20 different types of cables available today, designed for applications ranging from transmission to heavy industrial use. Some of the most commonly-used ones include: Non-Metallic Sheathed Cable : These cables are also known as non-metallic building wire or NM cables.
What type of wiring device is cable?
Most interior wiring is done with non-metallic, or NM, cable—also known by the popular brand name "Romex." NM cable is made of three or more wires wrapped inside a flexible plastic jacket, or sheathing. It is used for most interior circuits, such as those for outlets, switches, light fixtures, and appliances.
Why sheath is used in cable?
Insulation and sheath are the components of a cable that protect the conductor. The insulation isolates the flow of electricity, and the sheath wraps around the outside of the cable to protect the conductors inside.
What is cable insulator?
Insulation is an important non-conductive material that surrounds and protects the individual wires or cables that make up a cable assembly. ... Insulation further prevents current from contact with other conductors, resists electrical leakage and offers protection from all environmental conditions.
What is cable and types of cable?
Electrical cables, in a circuit, are joined through connectors. A combination of cables and connectors is known as a cable assembly. Generally, a cable has three components: conductor, insulator, and sheath. ... Some types are coaxial cables, twisted pairs, optical fibers, patch cables, power cables, data cables, etc.
