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Jim Phillips (brainfiller)
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Post subject: DC Arc Flash Labels / Battery Racks  Posted: Sun May 14, 2017 12:58 pm |
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| Plasma Level |
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Joined: Mon Sep 17, 2007 5:00 pm
Posts: 1736
Location: Scottsdale, Arizona
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This week’s question has come up on several occasions.
Since arc flash labels are showing up more on DC equipment, should there be a label on or near dc batteries / battery racks?
Yes – we label on/near rack
No – we don’t label the rack
No Battery Racks
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Robertefuhr
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Post subject: Re: DC Arc Flash Labels / Battery Racks Posted: Mon May 15, 2017 9:42 am |
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| Sparks Level |
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Joined: Tue Oct 26, 2010 5:00 pm
Posts: 201
Location: Maple Valley, WA.
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Usually, there will be a fused disconnect switch or circuit breaker that is located near the Battery Racks. When there is one, we will label this disconnect or CB (using the Line Side Option) but not the battery rack. If there is no switch or CB near by, then we will provide a label for the battery rack.
_________________
Robert Fuhr, P.E.; P.Eng.
PowerStudies
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