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 02 Jul 2026
Marconite earthing is used to help create low resistance, stable and long-lasting earthing systems by surrounding earth electrodes with an electrically conductive concrete. Marconite is a conductive aggregate that is mixed with cement and water to form a conductive concrete around earth rods, copper earth tapes, earth mats or...
Published 02 Jul 2026
FP400 cable is a fire-resistant armoured power and control cable used where electrical circuits may need to maintain integrity during a fire. It is commonly specified for critical building services, fire performance circuits, public buildings, infrastructure projects and electrical systems where low smoke, low halogen and fire-resistant cable performance...
Published 01 Jul 2026
A feeder pillar is an outdoor electrical cabinet used to house and protect low voltage power distribution, isolation, control and connection equipment. Feeder pillars are commonly installed in public spaces, highways, substations, street lighting networks, EV charging sites, industrial facilities, sports grounds, car parks and utility infrastructure. In simple...
Published 18 Jun 2026
Cable pulling is the controlled process of installing electrical, power, telecoms or fibre optic cables into ducts, trenches, conduits, tunnels, cable troughs or containment systems. In LV, MV and HV power cable installations, cable pulling must be carefully planned to prevent damage to the cable sheath, insulation, conductor, screen...
Published 16 Jun 2026
Cable sealing ends are high voltage cable accessories used to terminate, seal and connect power cables at the end of a cable circuit. They are commonly used where underground cables connect to substations, overhead lines, transformers, switchgear, GIS equipment or other high voltage electrical infrastructure. In simple terms, a...
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