Smartphones, earphones, and laptops- all have become wireless, but in the end, they need power cables to function. When the night is stormy, and the city gets plunged into darkness, and when the WIFI signals flicker and screens get dimmed. Who comes as a saviour when servers gasp for breath? They are power cables that revive networks, restore power, and bring life back online.

They are the backbone of the electrical infrastructure. The world is becoming wireless, but power cables are essential for industries ranging from construction to data centres. So,wires in this blog, we will understand the importance of using the right power cables and their different types. Also, the blog is dedicated to manufacturers and wholesalers of power cables who are looking for detailed information about their purchases and types.
 

Why do Power Cables Matter Even in the 21st Century?

A person needs to apply the right power cable types to avoid:

• Compliance & Legal Issues
•  Poor Performance of Electrical Systems
•  Electrical Overload & Fire Hazards
•  Frequent Power Outages & Equipment Damage
•  Energy Loss & Higher Electricity Bills

Key Types of Cables

Electricity can be transferred either via overhead transmission systems or by underground cables. Be it any cable, they are designed for a specific purpose. Power cables are mainly designed to transmit power and distribution. Power cables are an assembly of one or multiple individually insulated electrical conductors, held together with a sheath. There are several usages of power cables, such as buried in the ground, installed as permanent wiring within buildings, or run overhead or exposed. Flexible power cables are used for mobile tools, machinery, and portable devices etc. Take a look at the different types of cables below-
 

Armoured vs. Unarmoured Cables

• Armoured Cables: They are used where mechanical protection is necessary. The prime usage is in outdoor and industrial applications. For example, SWA (Steel Wire Armored) and AWA (Aluminum Wire Armored) cables.
• Unarmoured Cables: These are used in indoor wiring or enclosed conduits as they are more flexible.

Voltage Categories

The voltage category is important for safety as incorrect voltage can cause short circuits, fires, and overheating. The right cable maximises efficiency and minimises power loss.

• Low Voltage (LV) Cables (Up to 1kV): Suitable for small industrial applications such as offices and homes.
• Medium Voltage (MV) Cables (1kV-35kV): Used in utility networks, industrial plants, and commercial buildings.
• High Voltage (HV) Cables (Above 35kV- 200 kV): Used in power grid infrastructure for power transmission over long distances.
• Extra High Voltage (220 kV- 400 kV): National and state-level grids use extra-high voltage power cables.
•  Ultra-High Voltage (Above 400 kV): Inter-grid systems use ultra-high voltage power cables for large-scale transmission.

Single-Core vs. Multi-Core Cables

• Single-Core Cables: Ideal types of cables in power systems for high applications.
•  Multi-Core Cables: Used in multi-connection and control panel systems.

Flexible vs. Rigid Cables

• Flexible Cables: The best option for appliances and temporary power setups.
• Rigid Cables: The best option for fixed electrical installations.

Specialty Cables

• Fire-Resistant Cables: Maintain circuit integrity in extreme heat conditions.
• Submarine Cables: Designed for underwater power transmission.
• Solar Cables: Ideal for solar panel systems as they are UV-resistant.

Different Types of Cables: What Does It Mean to You?

Understanding different types of cables is important because it directly impacts safety, efficiency, cost savings, and daily convenience. Here’s why it matters and how it can make a valuable change in their life:
 

1. Preventing Electrical Hazards

Safety is first and foremost. The wrong cable usage has led to many electrical fires and accidents. Knowing the difference between what is cable, and what is power cable; high-power and low-power cables helps prevent short circuits, electrical shocks, appliance damage, and overheating. For example, using the wrong extension cord of low voltage for a low-voltage heater or microwave can overload the cable, causing it to melt or catch fire.
 

2. Avoid Unnecessary Repairs & Energy Waste

Choosing the right cables helps save money by reducing power loss and ensuring efficient energy consumption. It then leads to fewer repairs for damaged appliances and lower electricity bills. For example, using undersized or low-quality wires in a home or office can lead to voltage drops, hence increasing power consumption and making appliances work harder.
 

3. Enhancing Home & Work Efficiency

Understanding power cables more effectively helps in setting up and maintaining electronic systems better. You can get better Wi-Fi and network performance with the right Ethernet cables. In addition to that, smooth home automation with power-efficient smart device wiring can be achieved. Using Cat 5 cable increases internet speed instead of Cat 6.
 

4. Future-Proofing for Upgrades & Smart Technology

As technology evolves, so do the demands on electrical and networking systems. Choosing the right cables today can help avoid costly upgrades later.

• •  Investing in fibre optic cables instead of traditional copper for high-speed internet
• •  Using fire-resistant and weatherproof cables for long-term safety
• •  Selecting cables that support higher power loads for future appliances

Example: A house wired with outdated cables may not support smart home devices, leading to expensive rewiring later.

5. Making Smart Purchase Decisions

Manufacturers and electricians often push unnecessary or low-quality cables on uninformed buyers. Knowing cable types can help:

• Avoid overpaying for unnecessary premium cables
• Ensure you buy authentic, certified products
• Get the best performance for your money

Example: Some stores sell overpriced "gold-plated HDMI cables" that don’t offer any real improvement over standard HDMI cables.
 

Why Choose Diamond Electricals for Wires and Cables

Located in the heart of Delhi, Diamond Electricals has been delivering excellence for decades, offering a comprehensive range of high-quality electrical products. With a legacy of more than 50 years, we are committed to powering your spaces with safe and efficient solutions. As a leading manufacturer of power cables, we provide high-quality, durable, and cost-effective solutions for wholesalers and bulk buyers. If you’re looking for a reliable supply partner, contact us today to discuss your requirements and get a competitive quote.

More reasons to choose us-
 

1. Superior Quality & Industry Compliance

We manufacture industrial power cables that meet global standards such as IS, IEC, RoHS, UL, and ISO certifications. Our products are made with high-purity copper, premium insulation materials, and state-of-the-art production processes, ensuring maximum efficiency and longevity.
 

2. Competitive Wholesale Pricing

As a direct manufacturer, we eliminate middlemen, allowing wholesalers and bulk buyers to access factory-direct pricing for better profitability.
 

3. Customisation & Private Labelling

We offer customisation options in terms of:

• Cable lengths
•  Insulation materials
•  Branding (private labelling & custom packaging) This enables our clients to create a unique product line tailored to their business needs

4. Reliable Bulk Availability & Timely Delivery

We maintain a large inventory and have a streamlined supply chain to fulfil bulk orders quickly, ensuring you never face stock shortages. With over 50 years of experience in manufacturing power cables, we have gained expertise in customer satisfaction. Prompt delivery of the requested products is our forte.
 

5. Long-Lasting Safety:

We use cutting-edge technologies that make us capable of managing ongoing supply requirements, even on a large scale. Our high-quality material ensures the safety of the users. So, you can trust the power cables of Diamond India.
 

Read More: Top 10 Mistakes to Avoid When Installing Electrical Wires

Diamond Electricals: Trusted in Quality Since 1975

Installing the right cable is of utmost importance. You can’t compromise on the quality of the cables for any reason. From the length to the material, everything matters. So, apart from choosing fire-resistant and durable insulation materials, you should have appropriate knowledge of each type would clear things up. After that, you would be able to guide your customers to buy the right one for their needs. As a wholesaler, choosing a reliable manufacturer for bulk orders ensures you get high-quality, durable, and cost-effective cables that meet industry standards. So, you need a trusted manufacturer to get the best deal. Diamond Electricals have been providing top-tier lighting, switches, wires, and switchgear from the heart of Delhi. For any kind of cables and Best Wires and Cables Manufacturer, reach us at info@diamondindia.co.in or call 1800-212-6463!
 

FAQs

Q. How to calculate cable size?

To calculate cable size, determine the load current and consider factors like voltage, cable length, voltage drop, conductor type, and installation conditions. To select the right size, use standard charts or formulas (as per IS/IEC standards).

Q. How to convert kW to amps?

To convert kW to amps, use the formula: Amps = (kW × 1000) / (Voltage × Power Factor)

For three-phase systems, multiply the denominator by √3 (1.732).

Q. Which cable is used for house wiring?

Non-metallic sheathed cables are used for dry and interior home wiring.

Q. How do you manage cables in the workplace?

Use cable trays, ducts, ties, and labels to organise and route them neatly. It ensures easy maintenance and safety compliance by preventing clutter and reducing tripping hazards