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Do you/your clients place arc flash labels on DC equipment?
Yes
No
It depends
No DC equipment
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ekstra   ara
 Post subject: DC Equipment Arc Flash Labels
PostPosted: Sun Nov 13, 2022 2:35 pm 
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Joined: Mon Sep 17, 2007 5:00 pm
Posts: 1682
Location: Scottsdale, Arizona
DC is everywhere and the use is growing.

NFPA 70E addresses DC in Tables such as:

• Table 130.4(E)(b) Shock Protection Approach Boundaries to Exposed Energized Electrical Conductors or Circuit Parts for Direct Current Voltage Systems
• Table 130.5(C) Estimate of the Likelihood of Occurrence of an Arc Flash Incident for ac and dc
• Table 130.7(C)(15)(b) Arc Flash PPE Categories for dc Systems

as well as other areas in the standard.

The Question:

Do you/your clients place arc flash labels on DC equipment?
• Yes
• No
• It depends
• No DC equipment

Your experiences are always welcome!


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