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Ever had a problem with nuisance RCD tripping?  It’s one of the most common faults, often leading to repeat call outs. A good quality leakage clamp meter and some background knowledge can save a lot of time and frustration in fixing the problem. Modern appliances and plug-in power supplies, by the nature of their design,… Continue reading Nuisance RCD tripping!

httpss://www.youtube.com/watch?v=OjVmsQ7ivfw

My Makita DHR 243 Brushless Hammer drill, only 18V but so powerful on drilling through bricks httpss://www.youtube.com/watch?v=NIGwMIrZbjc

Changes in the 18th Edition IET Wiring Regulations BS 7671:2018  Part 1  Scope, object and fundamental principles

Residual Current Device RCD test Auto RCD test does all the 4 tests twice, first at 1 of leakage ratting which was 30mA in this case, 5 X 30mA, 1.5 X 30mA it does it twice one for each side of the sine waves to measure the time it takes for the RCD device to… Continue reading RCD Auto test

Hitachi Gas Strip Nailer NR90GC2 Very powerful Hitachi Gas Strip Nailer NR90GC2, very useful and a great time saver if doing Dormer conversions or stood wall partitioning

Insulation resistance Test The multi tester sends a high voltage through one wire and picks up the magnetic fields on the other wire to measure the amount of current that could possibly leak from one wire to another when in normal use .