computer science

Nexans

Nexans is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Nexans rather than just read about it. In short: Nexans S.A. is a global company in the cable and optical fibre industry headquartered in Paris, France. The group is active in four main business areas: buildings and territories (construction, local infrastructure, smart cities / grids, e-mobility), high voltage and projects (offshore wind farms, subsea interconnections, land high voltage), data and telecoms (telecom networks), data transmission, FTTx, LAN cabling…

Key takeaways

Nexans belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Nexans to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Nexans from memory before moving on to harder problems.

Reference excerpt

Nexans S.A. is a global company in the cable and optical fibre industry headquartered in Paris, France. The group is active in four main business areas: buildings and territories (construction, local infrastructure, smart cities / grids, e-mobility), high voltage and projects (offshore wind farms, subsea interconnections, land high voltage), data and telecoms (telecom networks), data transmission, FTTx, LAN cabling, renewable energies, petroleum, railways and rolling stock, aeronautical and automation. It is the world's second largest manufacturer of cables after Prysmian S.p.A. In 2017 the Group operated in 34 countries with over 26,000 employees and sales of around €6.4 billion. Nexans was founded in 2000 as a business unit of the telecommunications firm Alcatel after its acquisition of a number of companies in the cable sector. It was spun out and listed on the Paris stock exchange the following year. It is currently listed on Euronext Paris, Compartment A. In 2012, Nexans completed acquisition of Australian cable maker Olex to become Nexans Olex. Nexans currently operate the Lillydale, Victoria cable manufacturing plant which is Australia's second largest cable production plant after Prysmian's in Liverpool, NSW. Nexans signed an agreement in 2022 to supply and install HVDC cables for EuroAsia Interconnector, the longest and the deepest HVDC subsea cable project ever, with bi-pole cables of 2x900km. In 2020 Nexans shut down its Chester, New York factory and exited the US building wire market. In 2021 a new facility was launched in China.

References

External links

Documents and clippings about Kabel Rheydt AG in the 20th Century Press Archives of the ZBW

Illustrations

Worked examples

Example 1 — a first encounter with Nexans

Start with the simplest possible case. Write down what Nexans claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Nexans before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Nexans ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Nexans

In research: Nexans appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Nexans in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Nexans is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2001 initial public offerings, Alcatel-Lucent, CAC Mid 60, so understanding it makes those chapters shorter.
In everyday life: Look for Nexans outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Nexans in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Nexans means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Nexans out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Nexans in simple terms?

Why does Nexans matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Nexans?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Nexans.