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sparky87

Hi all, Have a 200amp bus bar chamber located in a maintenance shed that feeds several isolators/ DB. This is fed from a 100 amp 3phase switch fuse located at the origin located within a different building some 70-100 meters away at high-level. Does the bus bar chamber require local isolation? I.E switch isolator on incoming cable? many thanks in advance
 
agreed^^^^^.
 
Like above, ideally you would have an incomming isolator as a local means, having said that as this is an existing install, if the front end Sw/F can be locked off then there isn't any real need to address the issue, anyone working on the busbar can safely isolate and lock-off the front end which would be fine in my books for an existing set-up.
 

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