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kt62 kewtech
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<blockquote data-quote="Phoenix" data-source="post: 495277" data-attributes="member: 8133"><p>It sounds like you have got it, it simply conducts a pfc test between the live and earth probes, if the earth is on earth, this give you PEFC, if its on neutral it gives PSCC. The tester also has a neutral lead for the return for the electronics in the tester, now ideally this will always be on neutral, so on PSCC you have N&amp;E stacked together, on PEFC not.</p><p></p><p>If you do what Noz does and always live them stacked together when doing earth loops, you should be aware that you are powering the tester itself from earth, this can be a risky decision, the tester will do its best to prevent a dangerous condition from the test current down the earth probe if the cirucit is open earth (its limited duration, and it'll monitor voltages while testing and not let you if things look wrong. Putting the neutral on the earth is just like connecting any other load between live and earth, it'll work, but is potentially dangerous if the earth is open. Im not saying its something you need to avoid completely, but you should be aware of the risk if the earth turns out to be open</p></blockquote><p></p>
[QUOTE="Phoenix, post: 495277, member: 8133"] It sounds like you have got it, it simply conducts a pfc test between the live and earth probes, if the earth is on earth, this give you PEFC, if its on neutral it gives PSCC. The tester also has a neutral lead for the return for the electronics in the tester, now ideally this will always be on neutral, so on PSCC you have N&E stacked together, on PEFC not. If you do what Noz does and always live them stacked together when doing earth loops, you should be aware that you are powering the tester itself from earth, this can be a risky decision, the tester will do its best to prevent a dangerous condition from the test current down the earth probe if the cirucit is open earth (its limited duration, and it'll monitor voltages while testing and not let you if things look wrong. Putting the neutral on the earth is just like connecting any other load between live and earth, it'll work, but is potentially dangerous if the earth is open. Im not saying its something you need to avoid completely, but you should be aware of the risk if the earth turns out to be open [/QUOTE]
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