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Electrical Inspection & Testing Forum
Oh, why not ask some testing questions too!
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<blockquote data-quote="Revved Up Sparky" data-source="post: 69797" data-attributes="member: 5050"><p>Regarding #2, if I am inspecting and testing a split board and want to cause minimum disruption to the occupants then I will shut down one half of the board, then do my r1+r2 on all the circuits on that side before proceeding to the other half.</p><p></p><p>The problem with doing r1+r2 with all the other circuits on is that there are risks to consider, most of all that your concentration will falter and you will get a belt, also that you may connect your earth link to the wrong circuit which might be live or for example you might be testing a ring circuit which (incorrectly) has the two live ring legs in different circuit breakers and thus you will get a surprise (ie, a loud bang and blue flash) when you connect the earth from the earth bar !.</p><p></p><p>Just a few thoughts !</p><p></p><p>Best Regards</p><p></p><p>Tim</p></blockquote><p></p>
[QUOTE="Revved Up Sparky, post: 69797, member: 5050"] Regarding #2, if I am inspecting and testing a split board and want to cause minimum disruption to the occupants then I will shut down one half of the board, then do my r1+r2 on all the circuits on that side before proceeding to the other half. The problem with doing r1+r2 with all the other circuits on is that there are risks to consider, most of all that your concentration will falter and you will get a belt, also that you may connect your earth link to the wrong circuit which might be live or for example you might be testing a ring circuit which (incorrectly) has the two live ring legs in different circuit breakers and thus you will get a surprise (ie, a loud bang and blue flash) when you connect the earth from the earth bar !. Just a few thoughts ! Best Regards Tim [/QUOTE]
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Oh, why not ask some testing questions too!
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