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look guys all I want to know is what is an Ir test?I have never used it in my life is it some kind of test on a motor?

Ir test?Someone please explain this test to me never done one you see thanks Ryan

As far as the r1 +r2 tests r concerned I jst take the furthest outlet point n take reading correct.Bt wt apens on 3 phase wiring do I just joint out one of the phases ona conecta to its earth and te3st at its furthest outlet?ths corect?Say the motor circuit was mains t motor isolator frm here t...

insulation resistance were do i test fa this on the 2391 rig?ze and earth loop or zs r the same seting on meter isnt it.were do i test for this on the instalation thr is a sub main,3-phase board and a single phase board isnt thy?obviously thy r al live tests rnt thy?were do i do the ze tests ,zs...

R u jst given the rig and u just gt bon wt it startin wit startin continuity tests ?and thn carry on wit ring final circuit etc?

wt circuitry is on the 2391 rig?is evryfin explained on the course bfr the test?D u gt any hands on experience on the course?telin u hw t do the tests?