About us

With over 90 years of experience, Martindale Electric is one of the most trusted brands in electrical safety testing with a reputation for providing innovative and time-saving electrical measurement solutions for electricians and service professionals backed up by a high standard of local service and support.

The company leads the way in safe isolation, providing simple and reliable solutions to ensure circuits have been de-energised and properly isolated prior to maintenance and modifications. Martindale electrical safety kits enable electricians and service personnel to stay safe by proving dead and locking off circuits during installation and maintenance, essential for compliance with Electricity at Work Regulations.

In addition to a market leading range of voltage testers, proving units, socket and continuity testers, Martindale Electric products include a comprehensive range of 18th Edition installation testers, PATs and electrical and environmental test tools.

Industry firsts include:

  • Safe Isolation – the definitive voltage indicator and proving unit together with unique locking off solutions
  • Insulation testing – the first tester for hazardous environments
  • Test tools – the first low cost fuse finder, self-proving voltage detectors
  • Socket testers – the original mains socket tester and the first advanced socket tester as defined by the HSE
  • Loop testing – the first automatic non-trip, plug-in loop tester
  • PAT testing – the smallest and lightest handheld PAT

Martindale Electric incorporates Metrohm® test equipment and Drummond Test lamps used by utilities and industrial customers during installation and maintenance of plant and equipment. The company provides full service, calibration and training from its Watford site.



Steve Dunning – Managing Director
I have been the managing director of Martindale Electric since 1997 and my career spans over 30 years in the field of electrical test equipment. I started selling test equipment in 1976 whilst completing an electronics degree. I then worked as founder and MD of a test equipment distributor which acquired Martindale Electric in 1997. I am a Gambica/ industry representative on BSI committee PEL/78 which reviews and develops standards including BS EN61243-3.
Paul Wilson – Sales Manager
Starting my working life as a qualified Electrical/Electronic Engineer I have been able to use my practical experience within the Electrical Industry to lead me into sales management. I enjoy rugby, cricket and playing golf, spending quality time with my family and enjoying life to the full.