Copper-cable and Splicing - TLE 10 ICT.pptx

The procedure for splicing or resplicing a copper cable involves removing the outer cable sheath, splicing the binder groups in order, and restoring the integrity of the cable by covering the splice point with a closure.

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2. Topic: copper cable and splicing

3. What is copper cable? Copper has been used in electrical wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 created further demand for copper wire as an electrical conductor.[3] Copper is the electrical conductor in many categories of electrical wiring.[3][4] Copper wire is used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment.[5] Copper and its alloys are also used to make electrical contacts. Electrical wiring in buildings is the most important market for the copper industry.[6] Roughly half of all copper mined is used to manufacture electrical wire and cable conductors.[5] A copper cable consists of two or more copper wires running side by side and bonded, twisted or braided together to form a single assembly. Electrical cables may be made more flexible by stranding the wires.

4. What is copper used for? For thousands of years, copper has been so widespread that most people encounter it without even noticing. Ancient Egyptians used copper to disinfect wounds and surgical tools, and the earliest copper alloy weaponry dates back to the mid-5th millennium B.C. From building tools to biology, copper is an essential part of human life. We even need 1.2 milligrams of copper daily to help enzymes transfer energy inside our cells. Copper alloys used in jewellery Copper is an easily molded base metal that is often added to precious metals to improve their elasticity, flexibility, hardness, colour , and resistance to corrosion.

5. Medical uses for copper? Copper is the third most commonly mined metal in the world. Common uses for copper include alloys in jewellery , touch surfaces in medicine, and construction. As the Egyptians documented, copper is known to kill many germs on contact. Dr. Bill Keevil at the University of Southampton found that MRSA (an antibiotic-resistant strain of bacterial staph) cannot survive on copper surfaces the way it can on the platinum metals often used in hospital building railings, doorknobs, and beds. With the help of his research, hospitals are installing copper touch surfaces around the world to halt the spread of bacterial infections in hospital settings. Copper use in home services Copper wire, tubing, and piping are still some of the most commonly used building materials in the plumbing and electrical industries.

6. A copper splice closure is defined as an enclosure, and the associated hardware, that is intended to restore the mechanical and environmental integrity of one or more copper cables entering the enclosure and providing some internal function for splicing, termination, or interconnection. Splicing copper cable is usually considered a telephone-company procedure and, therefore, of little or no interest to those in the premises and campus markets. However, copper-cable splicing does have a campus outside-plant application that is both current and important.