Thorne & Derrick, the Experts in Equipment for Explosive Atmospheres, are Specialist Distributors of Industrial & Hazardous Area Electrical Equipment to provide Power, Heat, Light & Ventilation in accordance with UKCA-EX, ATEX & IECEX requirements.

Established in 1985 we provide a competitive and customer-focussed service in explosive atmosphere industries from our two offices in Durham & Bristol.

We are leaders in the development of EX Product Innovations to deliver technical solutions that improve safety, compliance and cost-efficiency to your site operations. We are proactive problem solvers experienced in succession planning for the replacement of obsolete, non-conformant and legacy equipment in hazardous areas. We provide design services for Trace Heating & Lighting Schemes - we have a solid reputation for knowledge, service and integrity.

Key Hazardous Area Product Categories: Process Heating, Trace Heating, Static Earthing Control, Mobile Communications, Electrical Power Distribution, Junction Boxes, Motor Starters, Plugs & Sockets, Fluid Automation, Security & Access Control, Flame & Gas Detection, Process & Instrumentation Equipment, LV HV Cable Accessories & Arc Flash Clothing and PPE.

Distributors for:  3M Electrical, ABB, Appleton, ASCO, Dynaco, EXHEAT, MEDC, Nexans, ProGARM, Prysmian, Raytec, Roxtec, Technor, Thermon, VEGA and Wolf Safety

Scope –single-source supply of extensive range of products
- Stock – a multi-million pound stock holding provides complete global supply solutions
Staff – technical support from a trained, proactive and friendly team
Delivery – UK stock turnaround with express logistics to all international destinations

For more information click here -

Trace heating 

Arc flash clothing & PPE 

LV HV Cable Accessories 


Process heating