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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


Switchgear Control Using Trapped Key Interlocking | Castell

Published 08 Aug 2022

Switchgear Control Using Trapped Key Interlocking | Castell

With the kind permission from Castell to repost Link to original article on HazardEx here Switchgear Systems In this article, Castell discusses how trapped key interlocking is implemented within switchgear control whilst maintaining system integrity. Factors such as aging infrastructure, technological advancements, lack of investment, demands for cleaner and...

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What’s The Difference Between Grounding, Earthing & Bonding?

Published 27 Jul 2022

What’s The Difference Between Grounding, Earthing & Bonding?

Earthing & Lightning Protection | Earth Tapes | Earth Rods | Earth Tapes Special Thanks To Ian Griffiths – Earthing System Design HV – Original Article Here In this Guest Blog from Ian Griffiths (GreyMatters Principal Partner) we learn how what the difference is between grounding, earthing and bonding? That’s a question our readers and...

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