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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You are currently filtering by: Medium Voltage Cable Accessories - Best Practice Guide
Published 17 May 2021
3m Sensored Cable Accessories For The Medium Voltage Grid Now there’s an economical, proven way to gain visibility to distribution grid electrical measurements. The power generation mix is changing due to the integration of renewables and electric vehicle (EV) charging infrastructures. Load profiles, voltage level fluctuations and power flow...
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Published 12 Jan 2020
uploaded by Chris Dodds - Thorne & Derrick Sales | Marketing Manager Medium Voltage Cable Accessories This series of Blogs have been written by MV Cable Accessory Manufacturers to help promote ‘best practice’ in the installation of their products including joints, terminations and connectors for medium voltage power cable...
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Published 10 Jan 2020
Electric field and stress control All cables for MV and higher voltage ratings, whether paper or polymeric insulated, have a metallic screen which is connected to earth. In addition, polymeric cables have a conductive polymeric screen as described in earlier sections. This semicon screen ensures that the electric field...
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Published 10 Jan 2020
MV Cables As well as causing disruption to power supply, MV cable accessory failures are potentially dangerous especially if they occur in public areas such as under roads or walk-ways. Figure 46 shows the immediate result of electrical breakdown and arcing in a cable joint installed...
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Published 10 Jan 2020
Installers should always receive Jointer training in the MV cable accessory technologies that they will work with. Each technology has its own peculiarities and practice will be needed for the installer to become familiar with the individual skills needed. Installation instructions always have detailed information on...
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