Arc Flash Protection

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If the NFPA, OSHA, or whomever really, really cared about safety like Dr. Sparks does, they would prohibit ANY and ALL work performed on energized equipment regardless of the cost, hazard, or inconvienence associated with the lack of electrical service or interupption of power.

Then, they would have fund local jurisdictions to enforce and discipline those that do not comply.

This, however, is not reality. The reailty is no one reads safety labels, instructions, or follow established safety procedures. That is a fact. It is human nature. The more you put on a safety label, the less it is noticed. Misinformation can be more dangerous than a lack of information. It's not so black and white like you are trying to make it out to be.

The one thing I agree with is training and education. One can never have enough, and employers don't provide enough for employees.

My opinion is that we take this out of the hands of contractors, inspectors, and even the electrical engineer designing the systems. Let's make this a manufacturer's problem. Let's make them develop products that are fool proof, that exhibit no hazard under any circumsatnce. But let us not clutter the codes and clutter the minds of electrical professionals who already have enough to deal with.

Just my opinion.
 
The danger of arc flash isn't limited to working on live equipment. Simply turning equipment on or off, someone leaves a tool in a trasnformer and it falls from the vibration, you have a bad tester..... Many things could happen.

Sooner or later there is going to be current flowing through the equipment. I personally believe that when you first turn on a new service or panel board is the most dangerous time, but that might just be me.

It really doesn't matter what the actual potential is, but if you read the sticker it should tell you the type of PPE you need to be wearing and that is whats important.
 
cowboyjwc said:
. . . I personally believe that when you first turn on a new service or panel board is the most dangerous time . . .

. . . but if you read the sticker . . .
First Quote: That is why I used to tell my apprentices to always stand next to the equipment when you energize it and use the hand you would rather lose if it blows up.

Second Quote: This is why the calculations have to be made each time. :smile:
 
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