Everything You Need to Know About Types of Cable
- znergycable01
- 2 hours ago
- 4 min read
In the contemporary world of technology, cables are the unobtrusive foundation of power supply, communication, and connectivity. From supplying the house with electricity through solar power to supplying electricity in urban areas, cables are utilized the most. As a homeowner undertaking the utilization of solar panels or as an engineer developing industrial usage, it is essential that you are knowledgeable about most cables.
This blog will take you through the most crucial cables to learn, i.e., Solar Cable, Armoured Cable, High-Voltage Cable, Medium-Voltage Cable, SWA (Steel Wire Armoured) Cable, and Encapsulated Cable—talking about their compositions, advantages, and most significant applications.
1. Solar Cable: Illuminating the Green Revolution

Solar power is very trendy with the globe moving towards green energy. Solar cable is the centre of all solar equipment, and it is a purpose-specific electrical cable for solar panel connection with inverters or batteries.
Features:
Weather and UV-resistant: Its design will withstand repeated exposure to harsh weather and sunlight.
High-temperature resistance: In roof mounting where temperature variation is normal.
Ductile and adaptable: Supports unobstructed routing across shifting surfaces and channels.
Uses:
Connecting solar panels in solar photovoltaic (PV) installations.
Connecting battery banks and inverters with solar charge controllers.
Usage on on-grid solar systems and off-grid solar installations.
Why It Matters:
Solar power systems using standard electrical cable will result in loss of efficiency as well as safety hazards on installation. Solar cable is made to provide maximum efficiency as well as lifespan, so your solar installation will be as efficient as possible with minimal maintenance required.
2. Armoured Cable: Strong on the Outside, Trusty on the Inside

Armoured cables consist of a metal or steel sheath on the outer side for protection of conductors inside. Armoured cables are employed where mechanical stress is present.
Structure:
Typically one or more insulated conductor wires with a metal sheath covering.
Obviously, of steel wire or tape providing mechanical protection.
Uses:
Underground supply of power.
Industrial environments where rodents or heavy machinery can pose a direct threat.
Rugged outdoor and heavy-duty usage.
Advantages
Unmatched resistance to physical abuse and crushing.
Used with no other conduit or protection tube in most appropriate applications.
Conveniently available in a range of sizes and voltage ratings.
Armoured cables are the first choice for reliability under tough conditions, giving mission-critical applications peace of mind.
3. High-Voltage Cable: Manhandling Giant Electrical Loads

High-voltage cables are applied for the transmission of electric power at voltages higher than 33 kV. HV cables are applied for the supply of electric power between power stations and substations.
Characteristics
Made up of a number of layers of insulation and screening to prevent electrical breakdown.
Can be made up of semiconducting layers and tough outer sheaths for insulation and protection.
Applications:
Electric power supply lines and power substations.
Mass industrial processes such as manufacturing and mining.
Renewable farms of energy sell electricity into the grid.
Safety Alert:
Installation or handling of high-voltage cables should be carried out by trained personnel, as this level of voltage and current is dangerous while working with them.
High-voltage cables ensure safe transmission of power over long distances without any loss of power and also serve as a highly important factor in current infrastructure.
4. Medium Voltage Cable: Bridging the Gap

While less dangerous than high-voltage cable, medium-voltage (MV) cable boasts voltages in the range commonly between 1 kV and 33 kV. They are used frequently in local power distribution and industry.
Composition:
The same as the high-voltage cable but for middle-of-the-road electrical stress levels.
Usually includes XLPE (cross-linked polyethylene) or EPR (ethylene propylene rubber) insulation.
Where They're Used:
Between distribution transformers and substations.
In small to medium-sized manufacturing plants and processing facilities.
For main electricity supplied electric streetlights and electric vehicle charging points.
The medium-voltage cables are the most appropriate for the supply of electricity in cases where it is impractical to employ high voltage but low voltage will not be effective.
5. SWA Cable: Sub-Type of Steel Wire Strength Armoured Cable

SWA cable, which is Steel Wire Armoured cable, is an armoured cable used primarily for mains electricity. It is indeed designed to withstand tough conditions, climatic and mechanical.
Special Features:
Steel wire armour provides additional tensile strength and interference protection.
Typically supplied with XLPE insulation, thus ready for high voltage of up to 600/1000 V.
Applications.
Providing buildings with power from an underground source.
Installation of outside lighting, particularly for office buildings.
Temporary on-site power supply installation.
Benefits:
Strong, yet having flexibility to be easily installed.
Greater resistance to moisture, corrosion, and rodent invasion.
SWA cables are the best solution if you need performance and security for your work.
6. Encapsulated Cable:

Micro-Level Shielding Encapsulated cable is an advancement over insulation because the cable is surrounded by a covering compound or resin, which provides added protection against chemicals, moisture, and mechanical stress.
What Makes It Special: Hermetic sealing is provided, which is best suited for corrosive or damp environments. Prevents foreign particles, liquids, or gases from entering.
Best Suited Environments: Food processing and pharmaceutical sectors. Marine and underwater environments. Use of high-voltage switchgear and control panel. Encapsulated cables are the unsung heroes of sensitive or perilous areas where sanitation and protection need to be top priority number one.
The Bottom Line
Selecting the Proper Cable for the Proper Application Cables are not wires. These are troubleshooting solutions. The following is a summary of the foregoing in synopsis: Solar cables work best in renewable energy applications with added weather resistance. SWA and armoured cables withstand mechanical stress in aggressive applications. Medium-voltage and high-voltage cables are utilized for power transmission over long distances or even in factory plant complexes. Encapsulated cable is used at its best in those zones where tamper-evident, sterile, and moisture-resistant solutions are required.
While choosing the type of cable, always keep in mind your project's voltage rating, climatic zone, mechanical stress, and safety requisites. The inappropriate cable will cause inefficiency, cause maintenance problems, or even lead to death. For the purpose of protecting the safety and lifespan of your system, there is a requirement to use certified cable suppliers where necessary or electricians/technicians.
Read More: Reasons Customers Choose Znergy Cable
Comments