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

SP Energy Networks

Electricity North West

Northern Powergrid

UK Power 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.

Browse our range online or contact Cleveland Cable today for expert advice, bulk pricing, and fast UK delivery