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What is the point of the RCD?
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<blockquote data-quote="phil d" data-source="post: 439787" data-attributes="member: 27126"><p>Andy, I'd do likewise, if it doesn't work at the point it is needed then what is the point in fitting it?</p><p></p><p>Paul, as I said, assuming that testing reveals no reason for the RCD not to trip when tested at the socket then surely you should replace it?</p><p></p><p>The problem is these days that a lot of younger or less experienced electricians tend to take what they are told as gospel and it would be interesting to see just how many of these devices are out there that do trip when tested at the origin but fail to trip when tested in circuit. The other issue is as Andy pointed out, what about relying on the quarterly "push button" test, how many people actually do it?</p><p></p><p>I do my standard electrical tests from a point on the circuit, followed by a ramp test, finally I push the test button, never press button before doing the electrical tests, I've heard stories before of them sticking and only tripping on meter test after they've been tripped via the button. If there's any issue then I want to know about it and deal with it appropriately. </p></blockquote><p></p>
[QUOTE="phil d, post: 439787, member: 27126"] Andy, I'd do likewise, if it doesn't work at the point it is needed then what is the point in fitting it? Paul, as I said, assuming that testing reveals no reason for the RCD not to trip when tested at the socket then surely you should replace it? The problem is these days that a lot of younger or less experienced electricians tend to take what they are told as gospel and it would be interesting to see just how many of these devices are out there that do trip when tested at the origin but fail to trip when tested in circuit. The other issue is as Andy pointed out, what about relying on the quarterly "push button" test, how many people actually do it? I do my standard electrical tests from a point on the circuit, followed by a ramp test, finally I push the test button, never press button before doing the electrical tests, I've heard stories before of them sticking and only tripping on meter test after they've been tripped via the button. If there's any issue then I want to know about it and deal with it appropriately. [/QUOTE]
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What is the point of the RCD?
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