Laying underground cables, Chester, 1963.Image: BT.com

THORNE & DERRICK

Thorne & Derrick are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the installation and maintenance of low/medium and high voltage voltage power systems:

  • Slip-on Cable Terminations
  • Cold-shrink Cable Terminations
  • Heat-shrink Cable Terminations
  • Cable Joints – Heat & Cold-shrink
  • Separable Connectors (Euromold)
  • Surge Arresters & Switchgear/Transformer Bushings

Key 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 

Underground Cables & Overhead Lines

Courtesy of BT a nostalgic and photographic record recalling bygone days of engineers laying, jointing and installing telephone and power cables.

See Album here âž¡
Underground Cables & Overhead Lines

Image Disclaimer: Note these images are not to be used for any advertising, marketing or promotional purposes by third parties, or for internal communications requirements such as newsletters or non-commercial websites, without the expressed permission of BT and the copyright holder.


Thorne & Derrick International

Engineers laying underground cable, 1951.Image: BT.com

THORNE & DERRICK

Thorne & Derrick are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the installation and maintenance of low/medium and high voltage voltage power systems:

  • Slip-on Cable Terminations
  • Cold-shrink Cable Terminations
  • Heat-shrink Cable Terminations
  • Cable Joints – Heat & Cold-shrink
  • Separable Connectors (Euromold)
  • Surge Arresters & Switchgear/Transformer Bushings

Key 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 

Underground Cables & Overhead Lines

Courtesy of BT a nostalgic and photographic record recalling bygone days of engineers laying, jointing and installing telephone and power cables.

See Album here âž¡
Underground Cables & Overhead Lines

Image Disclaimer: Note these images are not to be used for any advertising, marketing or promotional purposes by third parties, or for internal communications requirements such as newsletters or non-commercial websites, without the expressed permission of BT and the copyright holder.


Thorne & Derrick International

Cable cross connexion cabinet, Queen Victoria Street, London, 1949.Image: BT.com

THORNE & DERRICK

Thorne & Derrick are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the installation and maintenance of low/medium and high voltage voltage power systems:

  • Slip-on Cable Terminations
  • Cold-shrink Cable Terminations
  • Heat-shrink Cable Terminations
  • Cable Joints – Heat & Cold-shrink
  • Separable Connectors (Euromold)
  • Surge Arresters & Switchgear/Transformer Bushings

Key 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 

Underground Cables & Overhead Lines

Courtesy of BT a nostalgic and photographic record recalling bygone days of engineers laying, jointing and installing telephone and power cables.

See Album here âž¡
Underground Cables & Overhead Lines

Image Disclaimer: Note these images are not to be used for any advertising, marketing or promotional purposes by third parties, or for internal communications requirements such as newsletters or non-commercial websites, without the expressed permission of BT and the copyright holder.


Thorne & Derrick International

Laying Underground Cables In Chiswick, London, 1949.Image: BT.com

 

THORNE & DERRICK

Thorne & Derrick are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the installation and maintenance of low/medium and high voltage voltage power systems:

  • Slip-on Cable Terminations
  • Cold-shrink Cable Terminations
  • Heat-shrink Cable Terminations
  • Cable Joints – Heat & Cold-shrink
  • Separable Connectors (Euromold)
  • Surge Arresters & Switchgear/Transformer Bushings

Key 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 

Underground Cables & Overhead Lines

Courtesy of BT a nostalgic and photographic record recalling bygone days of engineers laying, jointing and installing telephone and power cables.

See Album here âž¡
Underground Cables & Overhead Lines

Image Disclaimer: Note these images are not to be used for any advertising, marketing or promotional purposes by third parties, or for internal communications requirements such as newsletters or non-commercial websites, without the expressed permission of BT and the copyright holder.


Thorne & Derrick International

Engineers soldering and jointing telephone cable, 1945.Image: BT.com

THORNE & DERRICK

Thorne & Derrick are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the installation and maintenance of low/medium and high voltage voltage power systems:

  • Slip-on Cable Terminations
  • Cold-shrink Cable Terminations
  • Heat-shrink Cable Terminations
  • Cable Joints – Heat & Cold-shrink
  • Separable Connectors (Euromold)
  • Surge Arresters & Switchgear/Transformer Bushings

Key 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 

Underground Cables & Overhead Lines

Courtesy of BT a nostalgic and photographic record recalling bygone days of engineers laying, jointing and installing telephone and power cables.

See Album here âž¡
Underground Cables & Overhead Lines

Image Disclaimer: Note these images are not to be used for any advertising, marketing or promotional purposes by third parties, or for internal communications requirements such as newsletters or non-commercial websites, without the expressed permission of BT and the copyright holder.


Thorne & Derrick International

Blog

Charlie & Ella Complete Sales Apprenticeships

Published 02 Sep 2026

Charlie & Ella Complete Sales Apprenticeships

Celebrating Charlie & Ella’s Level 4 Sales Executive Apprenticeships At Thorne & Derrick International, we are proud to champion talent development and recognise the dedication required to achieve professional growth. We are therefore delighted to congratulate Charlie Baines and...

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Thorne & Derrick at Solar & Storage Live 2026

Published 11 Aug 2026

Thorne & Derrick at Solar & Storage Live 2026

Thorne & Derrick will be Exhibiting at Solar & Storage Live UK 2026 at the NEC Birmingham from 22nd–24th September, showcasing our support for HV Cable Accessories, Joints, Terminations, Separable Connectors, Cable Tooling and Grid Connection Products used across...

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