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The switch gear is all brand new Snieder. All connections have been tested,checked, pulled pushed. We have ruled out loose connections and dodgy switch gear on the basis that the outages are affecting 2 separate sub mains albeit connected to the same bus bar. A loose connection would...

It may have been, problem has been there since October last year,can you forward me a link to the iee forum please? ---------- Post Auto-Merged at 09:17 ---------- Previous post was made at 09:11 ---------- All sub mains are new and verified. Bus bar clamps have all been torque tested. We...

We have been called in to assist diagnose irregular power outages to a restaurant in th uk. The restaurant is fed via a 3phase and pme combined neutral and earth. At irregular interval power drops at either the Kitchen DB, which is tpn fed via swa via switch fuse from a bus bar chamber or the...