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 Post subject: Switchgear Viewing Windows
PostPosted: Tue May 17, 2011 4:37 pm 
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Joined: Mon Dec 14, 2009 4:24 pm
Posts: 61
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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PostPosted: Wed May 18, 2011 4:21 am 
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Joined: Wed May 07, 2008 5:00 pm
Posts: 825
Location: Rutland, VT
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.

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Barry Donovan, P.E.
www.workplacesafetysolutions.com


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