Arc Flash & Electrical Safety News

Blog Author Steve Hudgik

Thursday, December 17, 2009

Should Arc Flash Danger Labels Ever Be Used?

Some say that a DANGER label should be used when the incident energy exposure is greater than 40 cal/cm sq. Others say that DANGER labels never should be used for arc flash because an arc flash is rare, and ANSI code only calls for a DANGER label when the hazard will result in death or serious injury.

What do you think? Should WARNING labels be used in all cases? Are there instances in which as DANGER label should be used?

I'm not avoiding the question, but in this case the right answer is: what do you think?

There is nothing in the NFPA or ANSI code that answers this question. So the answer is that you must do what you think is right, then stick to it as a standard throughout your facility. Then be sure everyone is properly trained on how arc flash labels are being used in your facility.

Here are some questions to ask yourself: If you are using both warning and danger arc flash labels, what is the difference? When is a danger label used instead of a warning label? If you are using just warning labels for arc flash, is this consistent with how labels are used throughout your facility and how should workers respond? Or you may choose to always use danger labels for arc flash.

Whatever approach you take, establishing a standard, sticking to it, and training people to understand that standard are essential for ensuring a safe workplace.

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posted by Steve Hudgik | This Arc Flash Post and 3 Comments |


At 6:26 PM, Blogger Sam said...

Arc Flash labels should definetely be used in all pertinent areas.
Of course,the posting will be useless if it is not preceded by a well designed training program.
70-E offers an alternative to costly engineering studies.
We all know that the danger tag is legal,quick,cheap and a viable alternative for the facility that is looking for a way to satisfy another code.
Prevention of arc flash/blast is worthy of nothing less than your best effort.

At 6:15 AM, Anonymous Anonymous said...

I think it should be based on the policies in place for your company. In most cases the warning label will be the correct option. There are some instances, based on your company policies, that a danger label should be used. Where I work equipment arc flash labels are all warning labels. The door into the breaker room has an arc flash danger sign on it.

At 10:01 AM, Blogger BrickBalloon said...

What is most important is that a consistent labeling policy be established. If you choose to use warning labels for arc flash, then always use warning labels. If you have a criteria that determines whether a warning or danger arc flash label is used, always follow that criteria. People need to understand the message on the label. The only way to accomplish that is to have consistency.


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