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Steel Wire Armoured (SWA) cable is a robust and durable power cable specifically designed for outdoor, underground and industrial electrical installations where additional mechanical protection is required. At Wires Direct, we supply high-quality armoured cable suitable for domestic, commercial and industrial projects throughout the UK.
Featuring a protective layer of galvanised steel wire armour, SWA cable provides enhanced resistance against impact, crushing and environmental damage, making it the preferred choice for external power distribution and underground installations.
Whether you're powering a garden office, workshop, outbuilding, garage, shed, EV charger or commercial premises, our armoured cable range delivers reliable performance and long service life.
Steel Wire Armoured cable consists of:
Copper conductors
XLPE insulation
PVC bedding
Galvanised steel wire armour
PVC outer sheath
The steel wire armour provides additional mechanical protection while also serving as an earth path in many installations when installed correctly.
Armoured cable is commonly buried underground to supply power safely between buildings and external electrical installations.
Ideal for:
Garden offices
Summer houses
Workshops
Garages
Sheds
Outdoor lighting systems
Many EV charging installations utilise armoured cable due to its durability and suitability for external environments.
SWA cable is widely used in factories, warehouses, farms and commercial premises where additional protection is required.
Typically used for single-phase power applications.
Commonly used where a separate earth conductor is required or for specific control applications.
Suitable for three-phase installations.
Often used for three-phase power systems with additional control or neutral conductors.
Manufactured to recognised British standards
Suitable for underground installation
Designed for outdoor environments
Excellent mechanical protection
Available in multiple conductor sizes
Suitable for domestic, commercial and industrial projects
Competitive trade pricing
Fast UK delivery
Steel Wire Armoured cable should always be installed in accordance with current BS 7671 Wiring Regulations.
When installing underground:
Use appropriate burial depths
Install warning tape where required
Use suitable glands and termination kits
Ensure correct earthing arrangements
Follow manufacturer installation guidelines
Installation should be carried out by a suitably qualified electrician.
At Wires Direct, we supply reliable armoured cable for projects of all sizes. Whether you're powering a garden building, installing an EV charger or completing a large commercial installation, our SWA cable offers dependable performance and excellent value.
We focus on supplying quality electrical cable at competitive prices while providing fast UK delivery and excellent customer service.
SWA cable is used for outdoor, underground and industrial electrical installations where additional mechanical protection is required.
Yes. Steel Wire Armoured cable is commonly installed underground, although installation methods should comply with current regulations and site requirements.
SWA stands for Steel Wire Armoured, referring to the protective layer of galvanised steel wires surrounding the cable.
SWA cable is designed for outdoor use and provides excellent environmental protection, but all cable terminations must be installed correctly using suitable glands and accessories.
The correct cable size depends on factors including load, installation method, voltage drop and circuit length. Always consult a qualified electrician before selecting cable sizes.
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Reference: AC
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