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Posted on 9/25/17 at 11:06 am to 50_Tiger
quote:
Our RNC's and larger 48U Racks do that. These are server chassis though and we absolutely rarely change them. The blades themselves are hot swappable.
Gotcha now. I didn't realize you were dealing with servers.
Yea. You lucky frick.
Posted on 9/25/17 at 11:36 am to mikelbr
Job got done though!
Edit: here's a pic
Power was hot from the lightblue clips and above. The breaker is further below.
This post was edited on 9/25/17 at 11:39 am
Posted on 9/25/17 at 11:43 am to 50_Tiger
Mustve been a FPE product.
Posted on 9/25/17 at 11:52 am to kengel2
Also I was wrong on the 10A, apparently it blew the 50A breaker in the distribution panel 
Posted on 9/25/17 at 12:55 pm to 50_Tiger
48 volts? Seems weird
Posted on 9/25/17 at 1:19 pm to Tigeralum2008
Voltage doesn't kill you. Amperage does.
Posted on 9/25/17 at 1:24 pm to WestlakeTiger
Correct!
Posted on 9/25/17 at 1:50 pm to bee Rye
Yeah, how the hell does 48v arc like that?
Posted on 9/25/17 at 1:53 pm to 50_Tiger
something doesn't add up here......5" arc from 48V?
Some of these numbers I'm guessing are typos.
Some of these numbers I'm guessing are typos.
Posted on 9/25/17 at 1:57 pm to WestlakeTiger
quote:
Voltage doesn't kill you. Amperage does.
Sort of a half truth there. You can't have amperage w/out voltage. Voltage is the potential energy that then becomes "kinetic" (for lack of better term). Power/energy is what kills you.
Posted on 9/25/17 at 2:00 pm to notsince98
quote:
Sort of a half truth there. You can't have amperage w/out voltage. Voltage is the potential energy that then becomes "kinetic" (for lack of better term). Power/energy is what kills you.
I like on movies where they torture/shock people with a 12v car battery.
Yeah right.Posted on 9/25/17 at 2:44 pm to notsince98
It was over 50A that came through the wire (we had to replace a 50A rated breaker in the distribution panel.)
There were two events that happened pretty damn fast, first a big pop (which is pretty normal for something like this) followed by a quick buzz arc'd discharge that hit the side of the rack in the picture.
The distance from the breaker on the line to the side of the rack was roughly 5 inches.
edit: Our distribution panel currently has ~54.9V / 500A it's managing. The Modules you see in the rack have a V rating of -48 (obviously there's really no such thing as negative voltage, we simply put the hot wire in the neg port)
There were two events that happened pretty damn fast, first a big pop (which is pretty normal for something like this) followed by a quick buzz arc'd discharge that hit the side of the rack in the picture.
The distance from the breaker on the line to the side of the rack was roughly 5 inches.
edit: Our distribution panel currently has ~54.9V / 500A it's managing. The Modules you see in the rack have a V rating of -48 (obviously there's really no such thing as negative voltage, we simply put the hot wire in the neg port)
This post was edited on 9/25/17 at 2:47 pm
Posted on 9/25/17 at 2:48 pm to 50_Tiger
quote:Like this but smaller?
A good 5 inch arch happened inside the cabinet
Or like this arc but smaller?
Posted on 9/25/17 at 2:48 pm to soccerfüt
arc* typo geez
Posted on 9/25/17 at 2:51 pm to 50_Tiger
Glad you're OK
It would have been a shock to us here if something had happened to you.
It would have been a shock to us here if something had happened to you.
Posted on 9/25/17 at 3:17 pm to soccerfüt
quote:
Glad you're OK
It would have been a shock to us here if something had happened to you.
That joke Hertz.
Posted on 9/25/17 at 3:28 pm to TigerstuckinMS
Have an upvolt for that.
Posted on 9/25/17 at 3:53 pm to 50_Tiger
quote:
The discharged arc'd to the rack which is properly grounded. So technically the discharge went where it's designed to go
Did you go outside and collect the nightcrawlers?
Posted on 9/25/17 at 4:05 pm to WestlakeTiger
quote:
Voltage doesn't kill you. Amperage does.
But you have to have enough voltage to push the current through the human body in order to kill:
I=E/R
For example, a 12 volt battery that can deliver 200 amps won't harm a human at all because of the electrical resistance of the human body.
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