Posted by Chances R on May 19, 2008 at 18:47:35 from (205.188.117.74):
I thought it may be a good time to ask about electric arc flash. Last tuesday I was plugging in a 480 volt 3 phase piece of equipment on a 20 amp breaker when it arc flashed inches from my face. For a few seconds I couldnt see anything after about 20 seconds I was about back to normal. I still have the flash irretation after 6.5 days. Any one else ever had such a thing or know someone that has so I could ask a few questions.
I figure someone will ask about ppe and lock out tag out so I will go ahead and answer. The machine was wired by a 480 volt + 20 amp plug male and female. I had what I thought the supply disconect locked out. 2 things were done wrong by who knows who but they had the male plug wired hot amd the female with no volts (yes I know how stupid can ya get) Next thing was the power coming over was wired to the top side of the disconect. I was just plugging in the power cord when the metal cassing of the female plug touched the hot lugs of the male plug. I didnt feel a thing but the noise and the fire ball is something I dont ever want to witness again. I didnt get burnt either just some smoke film on my right hand. Thanks for the help.
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Today's Featured Article - Identifying Tractor Smells - by Curtis Von Fange. We are continuing our series on learning to talk the language of our tractor. Since we can’t actually talk to our tractors, though some of the older sect of farmers might disagree, we use our five physical senses to observe and construe what our iron age friends are trying to tell us. We have already talked about some of the colors the unit might leave as clues to its well-being. Now we are going to use our noses to diagnose particular smells. ELECTRICAL SMELLS
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