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.
JOINT ♦ TERMINATE ♦ CONNECT ♦ GLAND ♦ CLEAT ♦ CRIMP ♦ DUCT ♦ SEAL ♦ REPAIR ♦ CABLE ♦ SPLICE ♦ INSULATE
You are currently filtering by: Duct Seals
Published 25 Apr 2018
Product Category: Duct Seals Application:Sealing Extra High Voltage Cables & Ducts Against Water, Gas & Fire Voltage: High Voltage 132kV Sector: Renewable Energy (Wind) Product Installed: Filoseal+, Filoseal+HD and Filoseal+ HD Fire Cable Duct Sealing System Project Information: All 3 types of Filoseal cable duct seal systems were required; original Filoseal+...
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Published 20 Apr 2018
by Chris Dodds T&D - estimated reading time 3 minutes Sealing Ducts Wildlife induced power outages are increasingly caused by the invasion of rats and rodents into medium/high voltage electricity substations via unsealed and inadequately sealed cable ducts and then gnawing electricity power cables. Filoform FiloSeal+HD is a duct sealing...
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Published 11 Jan 2018
Product Category: Duct Seals Application: Sealing Cable Ducts Containing LV Control Cables (Flexible & Insulated) Voltage: Low Voltage 600/100V Sector: Cold Rooms For Food Production & Storage Product Installed: Filoseal+HD Cable Duct Sealing System Project Information: The Filoseal cable duct seal system was selected to seal 50mm and 110mm outside...
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Published 08 Jan 2018
Guest Blog: Steve Groocock (Duct Seal Products – Account Manager at Filoform UK) Product Category: Cable Duct Sealing Filoform FiloSeal +HD is a duct sealing system specified to protect and seal larger heavy armoured power and high voltage cables in LV, MV & HV substation ducts, bore holes or transit frames...
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Published 22 Nov 2017
by Chris Dodds T&D - estimated reading time 5 minutes Trefoil Cables Before we demonstrate an effective duct seal solution for trefoil cables let us first define trefoil and cover the importance of selecting correct cable cleats to prevent short-circuit inflicted damage to power systems and electrical infrastructure. Cable...
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