Best Steel Electrical Wire of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 31 Jan 2025

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Steel Electrical Wire is a versatile and durable product used in a wide range of electrical applications. Made from high-quality steel, this wire is designed to withstand high temperatures, corrosion, and wear and tear. It is commonly used in the construction of power lines, transformers, and other electrical infrastructure. Steel Electrical Wire comes in various sizes and strengths to suit different needs and applications. It is a reliable and cost-effective option for those in need of a sturdy and long-lasting electrical wire.

At a Glance: Our Top Picks

4mm 3 Core SWA Steel Wire Armoured Cable Cover #TOP 1
4mm 3 Core SWA Steel Wire Armoured Cable
ftb score rating icon 9.9
Event Distribution 2.5mm 3 Core SWA Cable Cover #TOP 2
Event Distribution 2.5mm 3 Core SWA Cable
ftb score rating icon 9.8
Event Distribution 1.5mm 3 Core SWA Cable Cover #TOP 3
Event Distribution 1.5mm 3 Core SWA Cable
ftb score rating icon 9.6

Top 10 Steel Electrical Wire

#TOP 1

4mm 3 Core SWA Steel Wire Armoured Cable

4mm 3 Core SWA Steel Wire Armoured Cable Cover
All Lengths SWA Steel Wire Armoured 4mm 3 Core Cable Outdoor Cable 6943X (10m)

The SWA Steel Wire Armoured Cable is a robust 4mm 3 core cable designed for outdoor use. Featuring plain stranded copper conductors, it ensures excellent conductivity, making it ideal for various electrical applications. The insulation is made from XLPE, providing durability and resistance to environmental factors. With a voltage rating of 600V-1000V, this cable can handle a wide range of electrical loads, giving you confidence in its performance. Additionally, it operates effectively in temperatures from -15°C to 90°C, ensuring reliability even in extreme conditions.

What We Like
Durable for outdoor use
High conductivity
Wide voltage range
Temperature resistant
#TOP 2

Event Distribution 2.5mm 3 Core SWA Cable

HU-XI-102
Black
Event Distribution 2.5mm 3 Core SWA Cable Cover
All Lengths SWA Steel Wire Armoured 2.5mm 3 Core Cable Outdoor Cable 6943X (20m)

The Event Distribution SWA Cable is a robust 2.5mm 3 core steel wire armoured cable designed for outdoor use. Its plain stranded copper conductor ensures excellent conductivity, making it reliable for various electrical applications. The XLPE insulation provides superior protection against moisture and temperature fluctuations, allowing it to perform efficiently in temperatures ranging from -15°C to 90°C. With a voltage rating of 600V-1000V, this cable is suitable for high-demand electrical systems, ensuring safety and durability for your projects.

What We Like
Durable steel wire armouring
High temperature resistance
Excellent conductivity
Moisture-resistant insulation
Suitable for outdoor use
#TOP 3

Event Distribution 1.5mm 3 Core SWA Cable

Event Distribution 1.5mm 3 Core SWA Cable Cover
All Lengths SWA Steel Wire Armoured 1.5mm 3 Core Cable Outdoor Cable 6943X (10m)

The Event Distribution SWA Cable is a robust 1.5mm 3 core steel wire armoured cable designed for outdoor use. Its plain stranded copper conductor ensures excellent conductivity, making it ideal for various electrical applications. With XLPE insulation, this cable provides superior protection against moisture and abrasion, enhancing its durability. It operates efficiently at voltages between 600V and 1000V, ensuring reliable performance in demanding environments. This cable can withstand temperatures ranging from -15°C to 90°C, making it versatile for both cold and warm conditions.

What We Like
Durable steel wire armouring
Excellent conductivity
Moisture resistant insulation
Wide temperature tolerance
#TOP 4

Loops CAT6 SWA Armoured Ethernet Cable

TC-CAT6-SWA
Black
20m - Armoured CAT6
Loops CAT6 SWA Armoured Ethernet Cable Cover
Loops CAT6 SWA Steel Wire Armoured UTP Cable – Direct Burial Outdoor/Underground HDPE – 23 AWG Pure Copper Solid Core External Ethernet Data Reel/Drum – POE PE RJ45 LSZH

The Loops CAT6 Armoured Cable is an excellent choice for outdoor and underground networking needs. Its steel wire armoured design offers robust protection, making it ideal for Power Over Ethernet applications, such as CCTV installations. The high-density polyethylene insulation safeguards the core from cold and damp conditions, ensuring longevity. Additionally, the cable is UV resistant, preventing decay from sun exposure, which is a common issue with standard PVC cables. You can rely on this cable for secure and efficient data transmission over long distances.

What We Like
Durable steel wire armouring
UV resistant insulation
Ideal for outdoor use
Compatible with multiple applications
#TOP 5

BYSON 3 Core 6 mm Steel Wire Armoured Cable

00100017A
Black
BYSON 3 Core 6 mm Steel Wire Armoured Cable Cover
3 Core 6 mm Steel Wire Armoured Cable - 25 Metre Length BASEC APPROVED

The BYSON Armoured Cable is a robust 25-metre long solution featuring 6mm 3 core SWA. Its plain stranded copper conductor ensures excellent conductivity, making it ideal for various electrical applications. The XLPE insulation provides outstanding protection against high temperatures, ranging from -15°c to 90°c, which is beneficial for reliability in diverse environments. Additionally, with a voltage rating of 600V-1000V, you can trust it to handle demanding electrical tasks safely.

What We Like
Highly durable construction
Excellent conductivity
Wide temperature range
BASEC approved for safety
#TOP 6

4mm 3 Core SWA Electrical Cable 50M

Sattie
6943X4/50B
multicoloured
4mm 3 Core SWA Electrical Cable 50M Cover
4mm 3 Core SWA Steel Wire Armoured XLPE Electrical Cable 50M BASEC Approved

The Sattie SWA Electrical Cable is designed for mains supply electricity, providing reliable mechanical protection. This makes it ideal for external use and direct burial, giving you peace of mind that it can withstand various environmental conditions. You can order multiple lengths, with a total of up to 500 metres available, ensuring you have the right amount for your project. For convenience, 50-metre orders are coiled without a drum, making it easier to handle and transport.

What We Like
Durable and weather-resistant
Available in various lengths
Coiled for easy handling
Suitable for direct burial
#TOP 7

50m 6mm 3 Core Armoured Cable

50m 6mm 3 Core Armoured Cable Cover
50m Drum 6mm 3 Core SWA Steel Wire Armoured Outdoor Cable 6943X XLPE SWA PVC

The Event Distribution Armoured Cable is a robust 50-metre drum of 6mm 3 core cable, ideal for outdoor electrical installations. Its plain stranded copper conductor ensures excellent conductivity, allowing for efficient power transmission. The insulation made from XLPE provides great resistance to temperature variations and environmental factors, making it suitable for various conditions. Furthermore, the black outer sheath not only offers a sleek appearance but also protects the cable from damage, ensuring durability and longevity for your electrical projects.

What We Like
Durable construction
Excellent conductivity
Weather-resistant insulation
Long cable length
Attractive black outer sheath
#TOP 8

SY Control Cable with Steel Wire Armour

Cable Assembly Innovations
SY4C
Silver
4x1mm²
SY Control Cable with Steel Wire Armour Cover
SY Control Cable (YSLSY) - Steel Wire Armour Braided (SWA) - 4 Core - 1mm²/1.5mm²/2.5mm² Size Options - Cut to Length (4x1mm², 10, meter)

The SY Control Cable offers exceptional durability, built with high-quality materials to withstand harsh environments. Its flexibility is enhanced by the stranded plain copper conductors, making installation easier and more efficient for you. With superior mechanical protection from the galvanized steel wire braid, the cable safeguards against physical damage and external electromagnetic interference. This makes it a reliable choice for various applications, providing peace of mind during use.

What We Like
Highly durable construction
Excellent installation flexibility
Superior mechanical protection
Versatile for various applications
#TOP 9

6.0mm 3 Core Steel Wire Armoured Cable

6.0mm 3 Core Steel Wire Armoured Cable Cover
6.0mm 3 CORE SWA STEEL WIRE ARMOURED CABLE 25 MTRS

The Steel Wire Armoured Cable is perfect for outdoor use or for burying underground. Its robust design provides essential protection in challenging environments, ensuring safety and durability. This makes it ideal for those who require reliable wiring solutions for their projects. Whether you are looking to install a new electrical system or upgrade an existing one, this cable offers peace of mind with its sturdy construction, enabling you to focus on the task at hand without worry.

What We Like
Highly durable and robust
Ideal for outdoor applications
Suitable for burial installation
Reliable electrical performance
#TOP 10

SWA Steel Wire Armoured Power Cable 25m

SWA_03000
3 Core 6mm
25 Meters
SWA Steel Wire Armoured Power Cable 25m Cover
SWA – Steel Wire Armoured Heavy Duty Power Cable (6943X)– BASEC APPROVED (25 Meters, 3 Core 6mm)

The SWA Power Cable is a robust solution suitable for both outdoor and indoor applications. It is designed specifically for use in mains supply electricity, ensuring reliable power delivery. Its steel wire armoured feature allows for direct burial, making it ideal for installations where protection from the elements is essential. The cable comes in core colours of brown, black, and grey, which helps you identify connections easily and ensure proper installation.

What We Like
Tough for outdoor and indoor use
Direct burial capability
Reliable mains electricity supply
Easy core colour identification
Buying Guide Image
Editor's Notes

During our steel electrical wire research, we found 137 steel electrical wire products and shortlisted 10 quality products. We collected and analyzed 6,852 customer reviews through our big data system to write the steel electrical wire list. We found that most customers choose steel electrical wire with an average price of £62.49.

The steel electrical wire are available for purchase. We have researched hundreds of brands and picked the top brands of steel electrical wire, including Event Distribution, Loops, BYSON, Sattie, Cable Assembly Innovations. The seller of top 1 product has received honest feedback from 398 consumers with an average rating of 4.4.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.