Power Cable
Power cables, also known as electrical cables or power cords, are cables used to transmit electrical energy from a power source to a device or appliance. They are an essential part of the electrical infrastructure and are designed to safely carry electrical current from one point to another. Power cables typically consist of one or more conductors, which are usually made of copper or aluminium. These conductors are surrounded by insulation material, which provides electrical and mechanical protection.
Common Materials of Power Cables
- PVC (polyvinyl chloride): PVC is the most common insulation material for power cables. PVC electrical cables are known for their durability, flexibility, and resistance to moisture, chemicals, and abrasion, making it suitable for a wide range of applications.
- XLPE (cross-linked polyethylene): XLPE cables provide superior heat resistance, excellent electrical properties, and high mechanical strength. It is ideal for use in high-temperature environments and applications requiring enhanced electrical performance.
- Rubber: Rubber insulation offers excellent flexibility and resilience, making it suitable for electrical power cables that need to withstand harsh environmental conditions, such as industrial and outdoor applications. It provides good resistance to moisture, chemicals, and abrasion.
Core Configurations of Power Cables
Power cables are available in multiple core configurations, ranging from 0.75 cores to 40 cores. The amount of cores used depends on the intended use and the amount of power that needs to be transmitted.
Single-core Cables
A single-core cable consists of a single conductor surrounded by insulation. They are used for low-voltage applications and are often found in household appliances and electronic devices.
Multi-core Cables
Multi-core power cables have multiple conductors within a single cable sheath. They are used for higher voltage applications and are commonly found in industrial settings, construction sites, and power distribution systems. The most popular configuration for industrial use is the 3 core electrical cable, which includes three conductors for balanced power distribution and providing a ground connection.
What are the Benefits of Power Cables?
Efficient power transmission
Power cables are designed to efficiently transmit electrical power from the source to the destination.
Safety
Power cables are designed with insulation materials that provide electrical insulation and mechanical protection.
Versatility
Power cables are available in various types, sizes, and configurations to accommodate different power requirements and applications.
Durability and reliability
Power cables are built to withstand demanding conditions, including temperature variations, moisture, abrasion, and mechanical stress.
Flexibility and ease of installation
Power cables are flexible, allowing for easier installation in different environments.
Compatibility
Power cables are designed to be compatible with standard power outlets and connectors, ensuring compatibility with a wide range of devices and appliances.
Industrial Applications of Power Cables
Residential and commercial buildings
Power cables are essential in residential and commercial buildings for providing electrical energy to lighting, heating, and appliance systems. For example, single-core cables are commonly used in household electrical wiring to connect outlets and switches.
Industrial and manufacturing facilities
In industrial and manufacturing facilities, power cables are used to supply energy to heavy machinery and equipment. Multi-core cables, like the 3 core electrical cable, are often employed to ensure stable power distribution to motors and conveyor systems.
Construction sites
Construction sites rely on robust power cables to deliver electricity to various tools and temporary lighting. Heavy-duty rubber insulated cables are frequently used to withstand the harsh conditions and physical stress encountered on construction sites.
Information technology (IT) infrastructure
Power cables are crucial in IT infrastructure to power servers, data centres, and network equipment. For example, multi-core cables are used to connect and distribute power to server racks and ensure uninterrupted operation of critical IT systems.
Telecommunications
In telecommunications, power cables provide the necessary energy to operate transmission equipment, base stations, and communication towers. Shielded multi-core cables are often used to protect against electromagnetic interference and maintain signal integrity.
Renewable energy systems
Renewable energy systems, such as solar and wind power installations, use power cables to transmit generated electricity to the grid or storage systems. XLPE insulated cables are commonly used for their excellent heat resistance and durability in outdoor environments.
How to Order Power Cables from RS?
RS is a trusted supplier of power cables, offering products from renowned brands like RS PRO, Wago, Sick, and AXINDUS.
To place an order, simply browse the extensive catalogue on the RS website and filter the power cables based on your needs. You can filter by brands, cross-sectional area, length, current rating, sheath colour, etc. There are also filter options for number of cores including, single core cables, 3 core electrical cables, and up to 40 cores. Sheath material filters are also available so you can choose PVC electrical cables, XLPE power cables and more.
Once you’ve found your desired power cable, simply add it to your cart and start the checkout process. RS ensures a smooth and efficient ordering experience for all your power cable needs.
How Delivery Works at RS Hong Kong
We offer convenient delivery options to ensure you receive your order promptly.
Note: Delivery is not available to GPO Box, Restricted Area, and Outlying Islands. For global stock and Product Plus products, please contact customer service.
For more information, please visit our delivery page.