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Electrical Testing Help & Learning
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Help & Learning Electrical Testing
What’s the Difference Between RMS and “True” RMS?
14th July 2025
Many multimeters boast of being able to deliver true-RMS readings. However, what does this mean, and how does this data compare to RMS measurements? How are true-RMS readings taken? How is RMS data calculated? What does all this mean for you? Do you really need a true-RMS meter? Thankfully, the answers to all these questions lie in our short explanation detailing the difference between RMS and true-RMS.
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Help & Learning Electrical Testing
Understanding Test Equipment Terminology
14th July 2025
Acronyms, abbreviations, SI units, sometimes researching and using test equipment can feel like you're starring in your very own Line of Duty episode! To help, we've compiled a glossary of common symbols, units, terms, and acronyms. So, if you're confused by a symbol and not sure what it means, this handy guide will help!
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Help & Learning Electrical Testing Thermography
Which Thermal Imaging Camera is Right for Electrical Inspections?
17th April 2025
Choosing the right thermal imaging camera can transform how you inspect electrical systems. This guide breaks down the best options for every skill level—helping electricians and engineers work safer, smarter, and faster.
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Help & Learning Electrical Testing
Electrical Safety Signs: NHS Guidance
14th August 2024
Electrical safety signs save lives, and the NHS has strict rules on their use. Find out why these signs matter, where they should be placed, and how Kewtech ensures compliance.
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Help & Learning Electrical Testing
Chauvin Arnoux Explains the Impact Harmonics Have on Earth Leakage
15th July 2022
Harmonic currents can trigger earth leakage issues, leading to compliance risks. Chauvin Arnoux explains how the right clamp meter ensures accurate readings and proper RCD selection - vital for safety and regulation compliance.
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Help & Learning Electrical Testing
Safe Isolation: Staying A.L.I.V.E
22nd November 2021
Martindale’s A.L.I.V.E. protocol simplifies safe isolation for electrical workers. Follow these five steps to ensure safety, prevent accidents, and protect lives while working with electrical systems.
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Help & Learning Electrical Testing
What Are CAT Ratings?
23rd September 2021
CAT ratings are vital for selecting the right electrical tools, protecting you from dangerous overvoltage transients. Explore how these ratings safeguard you in high-energy environments and ensure safer, more efficient work.
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Help & Learning Electrical Testing Power Quality
4 Things to Consider When Installing an EV Chargepoint
18th May 2021
Installing an EV charge point isn’t just about plugging in - it affects your electrical load, supply capacity, and more. Learn about the key factors to consider before making the switch.
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Help & Learning Electrical Testing
DiLog and PASS Explain Safe Isolation
10th November 2020
Safe isolation is crucial for electricians. Uncover essential procedures and tools, including DiLog's voltage testers and lockout kits, to protect yourself and comply with regulations while working on electrical systems.
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Help & Learning Electrical Testing
Safe Isolation: Do you have a proper procedure in place to avoid electric shock?
22nd May 2019
Electric shock can be fatal, but proper safe isolation prevents accidents. Follow essential steps - identify, isolate, lock off, and test - to stay protected. Don’t take risks with electricity.
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