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.
JOINT ♦ TERMINATE ♦ CONNECT ♦ GLAND ♦ CLEAT ♦ CRIMP ♦ DUCT ♦ SEAL ♦ REPAIR ♦ CABLE ♦ SPLICE ♦ INSULATE
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...
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...
Published 10 Jan 2020
Earth Bonding Earth bonding across joints and at terminations does not always receive the level of care and attention that it requires. An ineffective earth bond can be just as damaging to MV cable accessory performance as inadequate phase conductor connections. It is also possible that...
Published 10 Jan 2020
Crimp v Mechanical Connectors with Joints & Terminations Within joints and terminations, conductor connectors are responsible for carrying the electric current between cables or between cable and other electrical equipment such as switchgear, transformers and overhead lines. They are therefore fundamentally important components of electrical networks. Connectors that are...
Published 10 Jan 2020
CABLE PREPARATION With every MV cable accessory, the cable being jointed or terminated forms a vital and integral part of the completed cable joint or cable termination. The early stage of accessory installation is preparation of the cable ends. There is nothing more important than to do this part...
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