OVERHEAD CABLE Meaning and
Definition
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An overhead cable refers to a type of electrical or telecommunications cable that is installed above ground and suspended in the air, usually supported by utility poles, pylons, or other structures. It is commonly used to transmit electricity, telephone signals, internet data, or other forms of communication across long distances.
Overhead cables are typically made of conductive materials, such as copper or aluminum, that allow the transfer of electrical or electronic signals. They are insulated to prevent electrical leakage and to protect against environmental elements, including rain, heat, and UV radiation.
The installation of overhead cables requires careful planning and specialized equipment, as well as adherence to safety regulations. These cables are often strung in a network of parallel lines, interconnected by supporting structures, to ensure stability and efficient signal transmission. They may be subjected to tension and sag, which are adjusted to maintain the desired height and prevent excessive strain on the cables.
Overhead cables have advantages over underground cables in terms of ease of installation, maintenance, and repairs. They are also more accessible for monitoring, troubleshooting, and upgrades. However, they are more exposed to weather conditions, such as lightning strikes, high winds, and ice accumulation, leading to potential disruptions in service. Additionally, overhead cables can be visually obtrusive in certain landscapes and require periodic inspections to ensure structural integrity and secure connections.
Common Misspellings for OVERHEAD CABLE
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Etymology of OVERHEAD CABLE
The word "overhead cable" has a straightforward etymology based on its literal meaning.
The term "overhead" refers to something located above or overhead, typically indicating something that is elevated or situated on top. In the context of cables, it refers to cables that are placed above the ground or other structures.
The word "cable" has a Latin origin, coming from the Latin word "capulum", which means "a rope". The word "cable" itself entered English from the Old Norman or Old Northern French word "cable", which was derived from the Latin "capulum".
Therefore, the term "overhead cable" describes a cable that is positioned above or elevated from the ground or other objects. It is commonly used to refer to the cables used for electrical power transmission or telecommunications that are suspended between poles or other structures.
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