Stranded Wire Types – Conductors Explained
Picture a commercial property without any indoor applications – it would resemble the state of affairs before stranded wires came into existence. A stranded wire is essentially composed of numerous thin strands, most commonly made of copper, which are twisted and bundled together within a PVC cable. This creates a multi-strand conductor that is both flexible and durable. There are various types of stranded wires available, each with unique characteristics suited to different needs. Let’s explore these options further below.
Types of Stranded Wires
Although the fundamental concept of stranded wires remains consistent, there are multiple configurations available. Here are some of the distinct types of stranded conductors, particularly focusing on Class-2 and Class-5 types:
- Bunch Strand
In bunch strand wires, the thin strands are gathered together in a single direction but lack a specific geometric layout. These strands are tightly twisted and bundled to enhance flexibility, durability, and resistance. It's worth noting that the individual wires don't maintain a fixed position within the strand.
- Concentric Strand
A concentric stranding conductor features a central core encircled by one or more layers of individual wires. The initial layer contains the smallest number of wires, while each subsequent layer includes six more than its predecessor. The arrangement in concentric circles minimizes the need for filler materials significantly.
- Annular Conductor
In this type of stranded conductor, the core is partially or entirely made of non-conductive material. Insulated wires are stranded in reversed concentric layers around this core. This design helps reduce resistance while maintaining the shape of the wire, offering both functionality and form.
- Rope Strand
When several wires are grouped into multiple bundles, they form what is known as a rope strand. Each bundle is then arranged in concentric circles to create a cable. Rope strands are renowned for their high durability and flexibility (Class-5 Type), making them ideal for applications requiring consistent movement.
- Compact Conductor
A compact stranding (Class-2 Type) conductor involves each layer being stranded in the same direction and then rolled into its ideal shape. Afterward, the conductor is compressed to eliminate air gaps between strands, resulting in a smooth, compact structure with a narrower diameter than usual.
As you’ve seen, stranded wires come in diverse forms, each possessing distinctive properties and advantages. Therefore, selecting the appropriate stranded wire based on your requirements is crucial. But how do you make the right choice? Read on to find out.
How to Select the Perfect Stranded Wire for Your Needs?
Picking the correct stranded wire is vital to the success of your project or the seamless operation of your product. Below are some steps to assist you in making the right decision:
- Determine the wire gauge and length required
- Assess the level of flexibility needed – whether solid core, coarsely stranded, or finely stranded
- Evaluate the type of insulation best suited for your application
- Choose wire colors thoughtfully to ensure clarity for your team or end users regarding wire functions
- Decide between copper or aluminum stranded wires
Now that you understand how to select the appropriate stranded wire, you might be curious about which brand to trust. Don’t worry; we’re here to guide you through it all.
KEI Industries – India’s Premier Stranded Wire Manufacturer
Established in 1968 as Krishna Electrical Industries, KEI Industries initially focused on producing house wiring rubber cables. Recognizing the growing demand for stranded wires due to their numerous benefits, Mr. Anil Gupta, a prominent figure in the industry, seized this opportunity for KEI Industries. Over the years, the company has expanded from a small office to a globally recognized brand with over 5,000 channel partners worldwide! For more information about our stranded wires, feel free to reach out via email at [insert email]. If you wish to learn more about our other offerings, such as extra-high voltage cables, low voltage cables, communication or instrumentation cables, fire-resistant or solar cables, visit www.kei-ind.com.
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