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arcflash71
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Post subject: Switchgear Viewing Windows  Posted: Tue May 17, 2011 4:37 pm |
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Joined: Mon Dec 14, 2009 4:24 pm
Posts: 61
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Operators in one of our facilities want approval to install viewing windows on 13.8kV switchgear doors to view breaker status (open, closed, test position, etc.).
These are a retrofit product from Fluke that have voltage, temperature and pull-out ratings that exceed IEEE C37.20.2 standards for viewing windows.
Is this a reasonably safe thing to do with respect to arc flash?
Regards
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wbd
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Post subject: Posted: Wed May 18, 2011 4:21 am |
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Joined: Wed May 07, 2008 5:00 pm
Posts: 879
Location: Rutland, VT
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Since the consensus is that credit is not taken for switchgear, MCC, switch doors for reducing AFH, unless specifically designed and rated as arc resistant, I don't think installing the windows will affect the choice of PPE.
_________________
Barry Donovan, P.E.
www.workplacesafetysolutions.com
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