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Thorne & Derrick’s POWER Blog is regularly updated with news, projects, videos, technical tips, training information, promotions, webinars, career opportunities and white papers.

➡ View T&D’s brochure – contact our Sales Team with your requirements.

We focus on Product CategoriesDuct Seals | Cable Cleats | Cable Glands | Electrical Safety | Arc Flash Protection | Cable Jointing Tools | Cable Pulling | Earthing | Feeder PillarsCable Joints LV | Joints & Terminations MV HV 

We provide guidance and technical support for the installation of LV, MV & HV Cable Joints, Terminations, Substation & Electrical Equipment from our Key Suppliers including:

3M CMP Ellis Patents
Nexans Euromold Elastimold Pfisterer
Prysmian Alroc CSD
Roxtec CATU Electrical Cembre
Lucy Zodion ABB Emtelle

MV HV Cables 11kV 33kV

With Photo Blog contributions from our social network of utility professionals, linesmen and cable jointers working on MV HV EHV cables and overhead lines typically at 11kV, 33kV, 66kV and up to 132kV.

Joints Terminations Connectors - Nexans Euromold Pfisterer 3M

JOINT ♦ TERMINATE ♦ CONNECT ♦ GLAND ♦ CLEAT ♦ CRIMP ♦ DUCT ♦ SEAL ♦ REPAIR ♦ CABLE ♦ SPLICE ♦ INSULATE


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HV Cable Current Ratings For A Challenging Installation

Published 23 May 2022

HV Cable Current Ratings For A Challenging Installation

HV Cable Current Ratings FEM Current Rating Solution The customer required HV cable current ratings for an installation involving multiple (6) zones of backfilled soil with Thermal Resistivity (TR) varying between 1.2 – 5.2 K.m/W plus the resistivity of the native soil needed to be considered. The IEC Standard...

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Surge Protection Devices | A Guide & Product Overview of Surge Protection Devices (SPD’s) with PADS Approval for Network Rail

Published 30 Jun 2021

Surge Protection Devices | A Guide & Product Overview of Surge Protection Devices (SPD’s) with PADS Approval for Network Rail

Surge Protection Introduction Surges or Transients are short duration increases in voltage, measured between two or more conductors. These potentially harmful voltages can be induced into a building from various sources, from the direct and or secondary effects of lighting, to switching actions and equipment faults. These events can...

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