Blog
Thorne & Derrick’s POWER Blog is regularly updated with news, projects, videos, technical tips, training information, promotions, webinars, career opportunities and white papers.
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We focus on Product Categories: Duct Seals | Cable Cleats | Cable Glands | Electrical Safety | Arc Flash Protection | Cable Jointing Tools | Cable Pulling | Earthing | Feeder Pillars | Cable 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 |

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.
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Published 04 May 2021
Handheld TDR for Fault Finding on Cables Images Courtesy of: Neil Trotter – HV & LV Cable Jointer at Northern Power Grid Pictured: Megger TDR1000/3P Cable Fault Location Equipment showing an LV underground mains cable fault. Fault location from substation at 104 metres. The images show an open circuit...
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Published 04 May 2021
Images courtesy of: Harvey Ross – Mechanical Fitter at IDEC Technical Services Pictured: Copper Earthing Tapes for Auxiliary Transformer & Neutral Earthing Resistor (NER). The rebar in the concrete has been connected outside of the bund wall and the transformer and NER are connected straight to the earth mat....
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Published 04 May 2021
Cold Shrink terminations Connecting 33kV Power Cable In DC Inverter Room Special thanks to Lee Bavington (Director) at Power Installations Ltd for allowing Thorne & Derrick to share the following images Power Installations Ltd have the capability and Authorisation to cover the specification outlined by SP Energy Networks (SPEN)...
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Published 28 Apr 2021
Image Courtesy of: Dean Wilson (Owner Director at D.C. Jointing Ltd). D.C. Jointing Ltd are Specialist Electrical Cable Jointers – a team of 15 skilled staff in all aspects of offshore and onshore cable jointing up to 132kV. D.C. Jointing Ltd secured a prestigious 3 year Medium & High Voltage...
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Published 28 Apr 2021
Richie Rice, is a master craftsman and leading Pfisterer EHV Jointer with an incredible track record, reputation and skill-set. “I have a wealth of experience in the EHV Extra High Voltage Cable Jointing Sector and have worked on XLPE, HVDC Light XLPE, Oil/Gas Filled Cable Systems from Jointing & Terminating...
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