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Nuisance tripping RCD
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<blockquote data-quote="SparkyMarky" data-source="post: 5298" data-attributes="member: 431"><p>This is not one of my jobs. Domestic. TNC-S. Split load board. 80A 30mA RCD nuisance trips as do several others on the same estate. No obvious link to fauly appliance, faulty circuit etc. Installation checked out by local electrical firm. Their solution was to replace the RCD with a 100A 100mA time delay RCD. Problem solved. My understanding is that this does not conform to regs as ground floor sockets should have 30mA, 40 ms protection so suggested that could use 30mA RCBO for ground floor ring. Southern Electric are involved as several houses on the estate have the same problem and today their guy said that the time delay RCD was fine but be sure to use 30mA RCD plugs for outdoor equipment.</p><p></p><p>So, founts of all knowledge electrical, what do the regs say? (Steptoe, don't start your reply with " if you have to ask this blah blah...")</p></blockquote><p></p>
[QUOTE="SparkyMarky, post: 5298, member: 431"] This is not one of my jobs. Domestic. TNC-S. Split load board. 80A 30mA RCD nuisance trips as do several others on the same estate. No obvious link to fauly appliance, faulty circuit etc. Installation checked out by local electrical firm. Their solution was to replace the RCD with a 100A 100mA time delay RCD. Problem solved. My understanding is that this does not conform to regs as ground floor sockets should have 30mA, 40 ms protection so suggested that could use 30mA RCBO for ground floor ring. Southern Electric are involved as several houses on the estate have the same problem and today their guy said that the time delay RCD was fine but be sure to use 30mA RCD plugs for outdoor equipment. So, founts of all knowledge electrical, what do the regs say? (Steptoe, don't start your reply with " if you have to ask this blah blah...") [/QUOTE]
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Nuisance tripping RCD
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