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<blockquote data-quote="la poste" data-source="post: 158188" data-attributes="member: 11452"><p>Greetings.</p><p></p><p>I was at a friends house today who has a TT system earth rod.</p><p></p><p>All bonding is in place he has a 17th edition dual RCD board.</p><p></p><p>I was wiring in a standalone RCD unit for his garden shed and got a shock off of the earth bar.</p><p></p><p>I am concerned because he wants to put all brass switches on his lights.</p><p></p><p>I don't know why I got this shock but if his earth bar is live then anything conneted to it will be live also.</p><p></p><p>None of the RCD's have tripped and I cannot understand why I got this small finger tingling shock.</p><p></p><p>I understand that appliances can have earth leakage that can accumulate at the earth bar in the board but I consider this a potentially dangerous situation.</p><p></p><p>If there is earth leakage then why no RCD tripping?</p><p></p><p>Any comments would be appreciated.</p><p></p><p>Thanks.</p></blockquote><p></p>
[QUOTE="la poste, post: 158188, member: 11452"] Greetings. I was at a friends house today who has a TT system earth rod. All bonding is in place he has a 17th edition dual RCD board. I was wiring in a standalone RCD unit for his garden shed and got a shock off of the earth bar. I am concerned because he wants to put all brass switches on his lights. I don't know why I got this shock but if his earth bar is live then anything conneted to it will be live also. None of the RCD's have tripped and I cannot understand why I got this small finger tingling shock. I understand that appliances can have earth leakage that can accumulate at the earth bar in the board but I consider this a potentially dangerous situation. If there is earth leakage then why no RCD tripping? Any comments would be appreciated. Thanks. [/QUOTE]
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