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NHSE (2004) 02: 11kV high voltage ring main unit (RMU) type RA71 and similar.
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Document type:NHS Estates alert
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Author:NHS Estates
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Published date:2 February 2004
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Primary audience:Professionals
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Publication format:Electronic only
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Gateway reference:NHSE (2004) 02
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Series number:NHSE (2004) 02
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Pages:1
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Copyright holder:Crown
An incident has been reported where broken ring switch drive linkage caused yellow phase to fall to the EARTH position as the oil switch was being operated from ON to OFF. There is a risk of injury from live operation of switch.
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