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Thorne & Derrick’s POWER Blog is regularly updated with news, projects, videos, technical tips, training information, promotions, webinars, career opportunities and white papers.

➡ View T&D’s brochure – contact our Sales Team with your requirements.

We focus on Product CategoriesDuct Seals | Cable Cleats | Cable Glands | Electrical Safety | Arc Flash Protection | Cable Jointing Tools | Cable Pulling | Earthing | Feeder PillarsCable 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

MV HV Cables 11kV 33kV

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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World First | EHV 1,100kV GIS Tested By Standard Lighting Impulse Voltage

Published 09 Mar 2021

World First | EHV 1,100kV GIS Tested By Standard Lighting Impulse Voltage

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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Prysmian Click Fit 132kV EHV Cable Joints

Published 09 Mar 2021

Prysmian Click Fit 132kV EHV Cable Joints

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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Water Treeing in High Voltage Cables | A 230kV HPPT Termination Repair

Published 02 Mar 2021

Water Treeing in High Voltage Cables | A 230kV HPPT Termination Repair

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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132kV Prysmian Oil Filled Stop Joint & 132kV Straight Joint

Published 02 Mar 2021

132kV Prysmian Oil Filled Stop Joint & 132kV Straight Joint

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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