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 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...
Published 09 Jan 2020
MV Joints, Jointers & Initial Considerations Before agreeing to do the requested work, the installer should ask himself if he has received adequate and relevant training, including jointer training, appropriate to: the system voltage; the cable(s) involved; the cable accessory type and technology. If the honest answer is ‘no’,...
Published 09 Jan 2020
MV Cable Joints & Cable Terminations As noted in the Introduction, there is a significant difference between the environment in which a MV cable is made and the environment in which a joint or termination is installed. Yet both are expected to have the same long-term...
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