Buy DNO Medium Voltage Cables – 11kV & 33kV - UK's Largest Stockist
Cleveland Cable Company holds the UK’s largest stock of power distribution cables, including our comprehensive range of DNO-approved medium voltage (MV) cables. Our products are used by electric utilities (DNOs) across the UK—from low voltage connections to medium and extra high voltage applications in transmission and distribution.
Specifically designed and approved for use on the UK national grid by suppliers such as UKPN, SSE, NGED, NPG, ENW, and SPEN, our DNO MV power cables ensure reliable connections from the National Grid to domestic properties.
Scottish & Southern Electricity Networks
National Grid Electrical Distribution
UK DNO Network Coverage
- Scottish & Southern Electricity Networks
- SP Energy Networks
- Electricity Northwest
- Northern PowerGrid
- UK Power Networks
- National Grid Electrical Distribution
Full Range of MV Cables
- Conductor Options: Aluminium and Copper conductors ranging from 95mm² to 300mm²
- Voltage Options: Available in 11kV and 33kV configurations, including single core, three core, and single core triplex arrangements
- Cabling Options: Both armoured and unarmoured cables
- Additional Features: A wide range of conductor screens, water blocking tapes, and outer sheaths in LLDPE, MDPE, and HDPE
- DNO Specific: Cables specifically approved by UKPN, SSE, WPD, NPG, ENW, and SPEN
Durable & Versatile for Every Installation
- Ideal for power connections from the electrical grid to sub-main developments
- Suitable for underground installations, outdoor use, and cable ducting within power networks
11kV & 33kV Cable Construction & Specifications
Single Core & Three Core Cables
- Conductor: Class 1 solid aluminium conductor
- Conductor Screen: Fully bonded semi-conductive compound
- Insulation: Cross-Linked Polyethylene (XLPE) or Ethylene Propylene Rubber (EPR)
- Insulation Screen: Semi-conductive compound
- Screen: Copper wires with helical equalising copper tape
- Separator: Binding tape applied helically
- Sheath: UV-stabilised MDPE
- Standards: Compliant with BS7870 4.20 and BS EN 60228
Triplex Cable Construction
- Conductor: Options include Class 1 solid aluminium, stranded aluminium, or stranded copper
- Insulation: XLPE
- Metallic Screen: Copper wires and tape
- Water Blocking: Helically applied tape
- Sheath: UV-stabilised MDPE
- Standards: Compliant with BS7870 4.20 and BS EN 60228
All cables are manufactured to DNO specifications and are sourced from DNO G81 approved suppliers.
Why Choose Cleveland Cable?
- UK’s Largest Stockist of DNO MV Power Cables
- High-Quality British and European Standard-certified products
- Competitive Prices with fast UK and international delivery
- Expert Support for all your cable requirements
- In-House BSI Testing Lab to ensure superior quality across the supply chain
Order DNO Power Cables Online or Contact Us
Cleveland Cable Company is the UK’s largest supplier of cables and cable accessories. Our range of DNO-approved medium voltage power cables provides industry-leading connectivity for both older and modern installations.
Whether you need 11kV or 33kV cables, our expertise allows us to source manufacturer-specific solutions and develop customised cables to meet the precise requirements of your installation. All our high-performance cable solutions are rigorously tested for quality and compliance in our BSI Accredited Lab.