Published 09 Jan 2026
We’d like to welcome our newest addition to the Thorne and Derrick team! Eva will be joining us as a content creator apprentice at our office in Chester-Le-Street. Eva will bring fresh new ideas to all of our social...

ESB Networks distribute low, medium and high voltage electricity to 2.3 million domestic, commercial and industrial customers in Ireland in a safe and efficient manner every day, every hour and every minute. The LV-HV electricity distribution network includes all distribution stations, overhead electricity lines, poles and underground cables.
ESB through building their Smart Network have significantly increased the electrical network reliability, resulting in a 42% reduction in power outages in 2014.
The total length of the LV-HV overhead lines and underground cables in the Transmission and Distribution systems managed by ESB Networks is 177.500 km.
In 2015 ESB Networks connected with 17,012 new customers making a total of 2,253,000 customer connections to the distribution systems.
Thorne & Derrick are Approved Vendors of ESB Networks Approved Materials List & Assessed Products to enable the cable jointing, termination, distribution and installation of LV, MV (11kV-33kV) & HV cables onto ESB cable network from manufacturers including:
| 3M | CATU Electrical |
| Pfisterer | Nexans Euromold |
| Prysmian | Ellis Patents |
| AN Wallis | Furse |
| Lucy Zodion & Electric | WT Henley |
| Sicame | Cembre |
| Polypipe | Emtelle |
| Tyco TE Connectivity | NKT |
| Roxtec | Alroc |
| Centriforce | MV HV Cables |
➡ Contact us to discuss your requirements for ESB Networks LV, MV & HV Cable Installation, Jointing, Termination, Substation & Electrical Equipment including the following LV-HV Product Categories – our internal ESB commodity code database is constantly updated with new ESB Networks products.
| Cables – LV Waveform 11kV 33kV Triplex | Link Boxes – Underground LV |
| LV Joints – Mains, Straight, Service & Pot End | Cut Outs – House Service & Street Lighting |
| HV Joints – Straight, Branch & Transition | Crimping & Cutting Tools – Cables & Lines |
| HV Terminations – Indoor & Outdoor | Distribution – Service Boards & Feeder Pillars |
| HV Terminations – Separable Connectors | Cable Duct – LV MV HV 11kV 33kV 132kV |
| HV Bushings – 11kV 33kV | Duct Seals – Cable Seals & Transits |
| HV Surge Arresters – 11kV 33kV | Jointing Tools – 11kV 33kV 66kV 132kV |
| EHV Terminations – GIS 132kV Cables | Insulation – Heat Shrink & Cold Shrink |
| Earthing Materials – Copper Tape | Cable Covers – Stokbord & Tapetile |
| Cable Cleats & Clamps – Single & Trefoil | Cable Lugs – Crimp & Mechanical |
Thorne & Derrick distribute DNO approved MV HV Cables including 11kV 33kV – this includes single and 3 core XLPE, EPR and Triplex cables plus suitable cable joints, cable cleats, terminations and connectors in heat shrink, cold shrink, cold applied and plug-in technology.
T&D supply Utilities & Approved Contractors with cable pulling products including cable rollers, cable socks and drum lifting jacks to enable the installation of low voltage and high voltage cables intro trench or duct: this includes single core, 3 core and Triplex 11kV/33kV power cables and LV waveform, mains and service cables.

HV Joints Terminations Connectors – 3M Pfisterer Nexans Euromold Elastimold
T&D are Specialist Distributors to the UK Distribution Network Operators (DNO’s), NERS Registered Service Providers, ICP’s and High Voltage Jointing Contractors of an extensive range of Cable Joints, Substation, Distribution, Tooling & Installation Equipment approved by the utilities:

JOINT ♦ TERMINATE ♦ CONNECT ♦ GLAND ♦ CLEAT ♦ CRIMP ♦ DUCT ♦ SEAL ♦ REPAIR ♦ CABLE ♦ SPLICE ♦ INSULATE
Published 09 Jan 2026
We’d like to welcome our newest addition to the Thorne and Derrick team! Eva will be joining us as a content creator apprentice at our office in Chester-Le-Street. Eva will bring fresh new ideas to all of our social...
Published 09 Jan 2026
Insulating Matting Recommendations and Guidance for Electrical Safety Guest Blog From COBA Electrical safety is non-negotiable, especially when working around live switchgear, high-voltage panels, and electrical distribution equipment. One critical but sometimes overlooked safeguard is electrical insulating matting, designed...