Multifunction Testers (18th Ed.)

The 18th Edition of Wiring Regulations brings some small changes to testing electrical installations. There will be more situations where Earth Testing and RCD testing will be required. If you are looking for a future proof Multifunction Tester that will have you covered for the years to come any of these testers will do a great job, but you might want to look for one that does Earth testing and is more capable and easy to use for RCD testing.