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
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Published 09 Mar 2021
PowerHV have successfully performed onsite Lighting Impulse Voltage Testing on 1100kV GIS by 3,000kV 300kJ SF6 insulated impulse voltage generator. It is the first time in the world that EHV GIS was tested by Standard Lighting Impulse Voltage on site. This time, the standard Lighting Impulse Voltage Test is mainly...
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Published 09 Mar 2021
Image Courtesy of: Gavin Duke (LV 11kV 33kV UKPN Cable Jointer) Pictured: 2 x .3 Imperial PILC (Paper Insulated Lead Covered) cable jointed to 185sqmm Hybrid with 2 x 35sqmm 3 Phase Services and 1 x 35sqmm Single Phase Service Cable Branched. 2 x 35sqmm 3 Phase Cable to .0225 Imperial 4 Core PILC...
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Published 09 Mar 2021
Images Courtesy of: David Young (HV Cable Jointer) Pictured: Prysmian 132kV Click Fit Cable Joint. Connector pressed on, semi-conductive screen glassed and groove cut in for shield. T&D are distributors for Prysmian Cable Components which includes their range of Bicon cable joints, cable cleats, cable glands and jointer tooling for LV, MV...
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Published 02 Mar 2021
This series of excellent photographs taken from site have been kindly provided by: Douglas Page | Instructor & Cable Splicer at Hydro One Training and Development Services As Ontario’s largest transmission and distribution electricity provider, Hydro One is committed to providing homes and businesses across the Canadian province with safe, affordable and...
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Published 02 Mar 2021
Pictured : 132kV Prysmian Oil Filled Stop Joint & 132kV Straight Joint Image : Simon Chapman (Cable Jointer – Balfour Beatty plc). Prysmian HV Cable Accessories – Overview Straight Joints Stop Joints Outdoor Terminations (ODSE) SF6 – Immersed Terminations (SF6-OISE) Transition Joints T&D are Distributors for the Prysmian Components range of cable joints, terminations,...
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