warning labeling for arc flash

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charlie b

Moderator
Staff member
Location
Lockport, IL
Occupation
Retired Electrical Engineer
Re: warning labeling for arc flash

110.16 Flash Protection.
Switchboards, panelboards, industrial control panels, 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.

FPN No. 1: NFPA 70E-2000, Electrical Safety Requirements for Employee Workplaces, provides assistance in determining severity of potential exposure, planning safe work practices, and selecting personal protective equipment.

FPN No. 2: ANSI Z535.4-1998, Product Safety Signs and Labels, provides guidelines for the design of safety signs and labels for application to products.
 

tom baker

First Chief Moderator
Staff member
Re: warning labeling for arc flash

Brady, T&B, Ideal all have labels that meet the 110.16, $1-$2 each. However the label is only 1/2 the answer. Some type of training will be required, even if don't get inside if you are not qualified. However I suspect that the 2005 NEC will require us to add the calorie value. It was a proposal for the 02 cycle and was not accepted.
Remember the NEC is not grandfathered. Charlie did you a favor posting the text of the NEC. I suggest you get a copy NFPA 70E, as well as the NEC.
 
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