What no more earth stakes???????? shurely shome mishtakeNone in domestic that I can think of - not since 17th boards removed the need for TT systems
Ah so you spotted my deliberate typo, its been a long day and I feel like:z:z,What no more earth stakes???????? shurely shome mishtake
that was the answer i was looking for Applaud SmileyAny RCD above 30mA is used to protect the instalation NOT the user. Hence why you see 100mA, 300mA and 500mA RCD's in industry.You also see 10mA RCD's in hospitals where there is a greater risk that a smaller current will cause detrimental effects.
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