[RE-wrenches] Arc Flash Hazards

[Matt Lafferty]

Wrenches,
 
You know solar is prime-time when it hits the mainstream "What's wrong with
this picture" quiz!
http://ecmweb.com/nec/whats_wrong_here/whats_wrong_020410/
 
How are you dealing with NEC 110.16? 
 
2008 NEC 110.16 Flash Protection.
Electrical equipment, such as switchboards, panelboards, industrial control
panels, meter socket enclosures, and motor control centers, that are in
other than dwelling occupancies, and are likely to require examination,
adjustment, servicing, or maintenance while energized shall be field marked
to warn qualified persons of potential electric arc flash hazards. The
marking shall be located so as to be clearly visible to qualified persons
before examination, adjustment, servicing, or maintenance of the equipment.
 
I'm seeing all flavors out there. Including the most common, pretending it
doesn't exist. Back in the day, relying on Qualified Persons Only and
Danger! High Voltage! You Can Die If You Touch It (or similar) was enough.
Are you finding building inspectors that are requiring the specific Arc
Flash Hazard signage? In addition to, or in lieu of, other signage?
 
Separate, but related issue: Now that OSHA and NFPA 70e are dancing to the
same song, has this affected your operations? If so, in what way?
 
Keep it Safe and Sunny!
 
-Matt Lafferty
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