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minor works testing
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<blockquote data-quote="Evans Electric" data-source="post: 416587" data-attributes="member: 1408"><p>Sparking Mad there are a lot of problems that arise when trying to do what you ask. </p><p></p><p>I'll say first up that in my opinion , if you lack the experience , do not try testing etc on a really old TPN board , the actual fuse ones .</p><p></p><p>Almost certainly you won't be able to identify the neutrals &amp; earths for your circuit even if the L is marked up .</p><p></p><p>And in that case I'd have to say to your boss , if you want it testing , you come &amp; do it , because you'll be dropping circuits out all over the place , computers crashing , machines suddenly single phasing ...lights suddenly coing out . Those things are NEVER marked up correctly.</p><p></p><p>On a modern board , ( they were designed with testing in mind) you can do it .</p></blockquote><p></p>
[QUOTE="Evans Electric, post: 416587, member: 1408"] Sparking Mad there are a lot of problems that arise when trying to do what you ask. I'll say first up that in my opinion , if you lack the experience , do not try testing etc on a really old TPN board , the actual fuse ones . Almost certainly you won't be able to identify the neutrals & earths for your circuit even if the L is marked up . And in that case I'd have to say to your boss , if you want it testing , you come & do it , because you'll be dropping circuits out all over the place , computers crashing , machines suddenly single phasing ...lights suddenly coing out . Those things are NEVER marked up correctly. On a modern board , ( they were designed with testing in mind) you can do it . [/QUOTE]
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