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    testing earth leakage

    I now have a clamp meter to test earth leakage as advised but have since discovered there is a better but of course more expensive meter available to tes true earth leakage...Megger DCM 300E I now have one with a 40A 400A and 1000A range with a minimum resolution of .01A What is now the...
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    Clamp Meter??????????

    Anyone recommend what would be the best clamp meter to buy? I'm looking at the Di-Log ones and assume i'll need both AC and DC and one with a good milliamp range. Some of them start at 1mA and some at 10mA i guess starting at 1mA would be better? Also the top range is either 80A or...
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    RCD Tripping?????

    I'm working on a large garden lighting project..... I have x8 circuits all 16A C type breakers. The main switch is a 100A 30mA RCD. When i turn on more than about x5 circuits the RCD trips. I've tested the trip times of the RCD at 1/2 1 and 5 times at 0 and 180 degrees all is fine...
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