Martindale Electric - Manufacturer of Voltage Indicators, PAT Testers & Socket Testers

If you're working with electricity, Martindale helps keep you safe.

Safe Isolation Saves Lives

We are the UK market leader in Voltage Indication & Proving Units for Electrical Safety

Outperform the rest with the CM series

CM69 measures up to 18th Edition leakage current limits

Electrical safety is fundamental to us at Martindale. As leaders in Safe Isolation, we offer the most comprehensive electrical test equipment solutions to support your needs.


Manuals	Calibration	Catalogue

New competition for
our 95 year anniversary

For your chance to win a £200 Amazon voucher, simply spot the 5 differences between two photos on our competition page and you’ll be entered into our prize draw!

Enter now

A.L.I.V.E – 5 steps to safe isolation

Martindale’s memorable, compliant safe isolation procedure to help reduce the number of electricity-related injuries and fatalities in the workplace.

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PAT testing made simple

We know how important effective PAT testing is, which is why we have developed simple solutions to electrical safety compliance, product selection guides and useful resources.

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The Martindale PD440SRDX – Two important tools in one package

Martindale Electric recently introduced four new proving units into its industry-leading range. The company now offers the widest range of proving units on the market. One key model, the PD440SRDX, features two important tools for both electricians and electrical...

The Martindale PD440SRDX – Two important tools in one package

Martindale Electric recently introduced four new proving units into its industry-leading range. The company now offers the widest range of proving units on the market. One key model, the PD440SRDX, features two important tools for both electricians and electrical...

12 Common PAT Testing Errors – Easily made, easily rectified

Even if you are an experienced user of portable appliance testers, you might end up making one of these common mistakes. Check out our list to see how you and your team can avoid these mistakes. Martindale offer one day training courses for people new to PAT testing...