Subject: When your power supply shocks you
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Lesson learned today. Don't use old power supplies. Earlier this evening I was finishing setting up my server rack when I reached to the back of the one machine and touched it (I was trying to check the fan for airflow) and it shocked me. It was an old power supply I was using so I will need to check if it is the power supply that socked me by testing it tomorrow with a volt meter or whatever you call the thing that measures volts or wattage (I don't know the difference).

Lesson learned (old things like harddrives can be kept; but never trust the heart of a machine (the real heart - the power supply).

+----+----+----+----+----+----+----+----+----+----+
Tristan B. Kildaire (deavmi@kk4qbn.synchro.net)
Always study.
+----+----+----+----+----+----+----+----+----+----+

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to All on Wed Mar 29 2017 02:27 pm

Lesson learned today. Don't use old power supplies. Earlier this evening I w

as

finishing setting up my server rack when I reached to the back of the one machine and touched it (I was trying to check the fan for airflow) and it shocked me. It was an old power supply I was using so I will need to check i

f

it is the power supply that socked me by testing it tomorrow with a volt met

er

or whatever you call the thing that measures volts or wattage (I don't know

the

difference).

Cue the, "Have you replaced the caps?" flood of responses. *sigh*

Lesson learned (old things like harddrives can be kept; but never trust the heart of a machine (the real heart - the power supply).

Syntax error: expected ")" but got EOF. :D j/k

-jag
Code it, script it, automate it!

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to All on Wed Mar 29 2017 02:27 pm

it shocked me. It was an old power supply I was using so I will need to check if it is the power supply that socked me by testing it tomorrow with a volt meter or whatever you call the thing that measures volts or wattage (I don't know the difference).

Lesson learned (old things like harddrives can be kept; but never trust the heart of a machine (the real heart - the power supply).

yeah they can blowup and melt a bit, too. they might have those bad caps from years ago, also.
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Subject: When your power supply shocks you
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Thanks for the parser error. I needed that.

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Subject: When your power supply shocks you
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Capacitors = caps? That might be why there is something conductive touching the back panel of the PSU and shocking me. Well, it's an old power supply so I will just put the new one in.

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to All on Wed Mar 29 2017 02:27 pm

Lesson learned today. Don't use old power supplies. Earlier this evening I w

as

finishing setting up my server rack when I reached to the back of the one machine and touched it (I was trying to check the fan for airflow) and it shocked me. It was an old power supply I was using so I will need to check i

f

it is the power supply that socked me by testing it tomorrow with a volt met

er

or whatever you call the thing that measures volts or wattage (I don't know

the

difference).

Lesson learned (old things like harddrives can be kept; but never trust the heart of a machine (the real heart - the power supply).

+----+----+----+----+----+----+----+----+----+----+
Tristan B. Kildaire (deavmi@kk4qbn.synchro.net)
Always study.
+----+----+----+----+----+----+----+----+----+----+

I realised that it is not the powersupply but that the motherboard is likely touching the case as it still shocks me even after replacing the old PSU with a new one.

+----+----+----+----+----+----+----+----+----+----+
Tristan B. Kildaire (deavmi@kk4qbn.synchro.net)
Info: `finger deavmi@kk4qbn.synchro.net` +----+----+----+----+----+----+----+----+----+----+

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to All on Fri Mar 31 2017 11:55 am

I realised that it is not the powersupply but that the motherboard is likely touching the case as it still shocks me even after replacing the old PSU with a new one.

wow holy crap. dont you have standoffs
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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to All on Fri Mar 31 2017 11:55 am

wow holy crap. dont you have standoffs
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Yes but I think I fucked up, so much so that those (the stand offs) might have become redundant.

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to Mro on Sat Apr 01 2017 05:37 pm

Yes but I think I fucked up, so much so that those (the stand offs) might have become redundant.

how? they are only like a half inch of plastic.. do you have stripped wires, solder, or other components touching the case?

--

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KK4QBN BBS

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to Mro on Sat Apr 01 2017 05:37 pm

how? they are only like a half inch of plastic.. do you have stripped wires, solder, or other components touching the case?

--

Tim Smith (KK4QBN)
KK4QBN BBS

I think that it is more of a case (no pun intended) of the case touching the motherboard. I used to use the side panel as a monitor stand whilst it was on a camp chair and it probably bent it into a shape that caves inwards and touches the board.

I don't know but ever since I switched cases I have been fine.

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Info: `finger deavmi@kk4qbn.synchro.net` +----+----+----+----+----+----+----+----+----+----+

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to KK4QBN on Sun Apr 02 2017 01:54 pm

I think that it is more of a case (no pun intended) of the case touching the motherboard. I used to use the side panel as a monitor stand whilst it was on a camp chair and it probably bent it into a shape that caves inwards and touches the board.

I don't know but ever since I switched cases I have been fine.

ah, ok.. I was about to say you could go redneck on it and beat the shit out of it until it was "right" again :-)

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KK4QBN BBS

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Re: When your power supply shocks you
By: Deavmi to KK4QBN on Sun Apr 02 2017 01:54 pm

ah, ok.. I was about to say you could go redneck on it and beat the shit out of it until it was "right" again :-)

--

Tim Smith (KK4QBN)
KK4QBN BBS

I did get angry at it and told it to not fucking shock me or else I'd "klap it" (Hit it - afrikaans-english).

+----+----+----+----+----+----+----+----+----+----+
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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: KK4QBN to Deavmi on Sun Apr 02 2017 10:14 am

Re: When your power supply shocks you
By: Deavmi to Mro on Sat Apr 01 2017 05:37 pm

Yes but I think I fucked up, so much so that those (the stand offs) might have become redundant.

how? they are only like a half inch of plastic.. do you have stripped wires, solder, or other components touching the case?

plastic standoffs? shit, i have all metal ones
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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to KK4QBN on Sun Apr 02 2017 01:54 pm

I think that it is more of a case (no pun intended) of the case touching the motherboard. I used to use the side panel as a monitor stand whilst it was on a camp chair and it probably bent it into a shape that caves inwards and touches the board.

WTF

so the side pannel looks like it was hit with a cannon ball and it is actually touching the motherboard?
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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Mro to KK4QBN on Sun Apr 02 2017 05:24 pm

plastic standoffs? shit, i have all metal ones

Would'nt that defeat the purpose of trying not to have your case in the circuit? I presume it would help if it created a common ground, but I've always thought it best to float a board on plastic, especially in rc setting.

--

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KK4QBN BBS

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Re: When your power supply shocks you
By: KK4QBN to Deavmi on Sun Apr 02 2017 10:14 am

plastic standoffs? shit, i have all metal ones
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Mine are metal.

+----+----+----+----+----+----+----+----+----+----+
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Re: When your power supply shocks you
By: Deavmi to KK4QBN on Sun Apr 02 2017 01:54 pm

WTF

so the side pannel looks like it was hit with a cannon ball and it is actually touching the motherboard?
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I really have no idea. I just assumed that. To me I don't actually notice a massive dent, that was just an assumption but there is somethint causing it. What? I don' t now.

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Mro to KK4QBN on Sun Apr 02 2017 05:24 pm

Would'nt that defeat the purpose of trying not to have your case in the circuit? I presume it would help if it created a common ground, but I've always thought it best to float a board on plastic, especially in rc setting.

--

Tim Smith (KK4QBN)
KK4QBN BBS

I don't think electricity flows through the parts of the board where the stand offs attach to the screws on the motherboard.

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Re: When your power supply shocks you
By: KK4QBN to Mro on Sun Apr 02 2017 10:36 pm

Re: When your power supply shocks you
By: Mro to KK4QBN on Sun Apr 02 2017 05:24 pm

plastic standoffs? shit, i have all metal ones

Would'nt that defeat the purpose of trying not to have your case in the circuit? I presume it would help if it created a common ground, but I've always thought it best to float a board on plastic, especially in rc setting.

as far as i know, all mobo standoffs are metal. you shouldnt have juice coursing through your board in such a way that contact causes shockies.
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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Deavmi to KK4QBN on Mon Apr 03 2017 10:43 am

I don't think electricity flows through the parts of the board where the stand offs attach to the screws on the motherboard.
stand offs attach to the screws on the motherboard.

It will if a positive trace is scrached close to the standoff.. trust me, I know from experience. I toasted a fairly expensive flight controller because a small scratch on a board, using metal standoffs.

flat let the magic smoke out.

--

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KK4QBN BBS

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Mro to KK4QBN on Mon Apr 03 2017 05:05 pm

as far as i know, all mobo standoffs are metal. you shouldnt have juice coursing through your board in such a way that contact causes shockies. coursing through your board in such a way that contact causes shockies.

see previous message to Deavmi, thats why i use plastic.. which it shouldnt be that bad with PC motherboards, but the reason we use plastic standoffs for boards on RC is:

(1) a bit of shock abosorbtion
(2) rc crashes scratches, etc can be made on a positive trace
(3) stray wires that fall off during flight could complete a circuit

--

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KK4QBN BBS

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: Mro to KK4QBN on Mon Apr 03 2017 05:05 pm

Re: When your power supply shocks you
By: KK4QBN to Mro on Sun Apr 02 2017 10:36 pm

Re: When your power supply shocks you
By: Mro to KK4QBN on Sun Apr 02 2017 05:24 pm

plastic standoffs? shit, i have all metal ones

Would'nt that defeat the purpose of trying not to have your case in the circuit? I presume it would help if it created a common ground, but I've always thought it best to float a board on plastic, especially in rc setting.

as far as i know, all mobo standoffs are metal. you shouldnt have juice coursing through your board in such a way that contact causes shockies.

Juice? Like liquid? Grease? What are you referring to?

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Re: When your power supply shocks you
By: KK4QBN to Deavmi on Mon Apr 03 2017 08:55 pm

Re: When your power supply shocks you
By: Deavmi to KK4QBN on Mon Apr 03 2017 10:43 am

I don't think electricity flows through the parts of the board where th

e

stand offs attach to the screws on the motherboard.
stand offs attach to the screws on the motherboard.

It will if a positive trace is scrached close to the standoff.. trust me, I know from experience. I toasted a fairly expensive flight controller because

a

small scratch on a board, using metal standoffs.

flat let the magic smoke out.

--

Tim Smith (KK4QBN)
KK4QBN BBS

Damn. Maybe that was my problem. I don't know but it could be.

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Re: When your power supply shocks you
By: KK4QBN to Mro on Mon Apr 03 2017 08:58 pm

Re: When your power supply shocks you
By: Mro to KK4QBN on Mon Apr 03 2017 05:05 pm

as far as i know, all mobo standoffs are metal. you shouldnt have juice coursing through your board in such a way that contact causes shockies. coursing through your board in such a way that contact causes shockies.

see previous message to Deavmi, thats why i use plastic.. which it shouldnt

be

that bad with PC motherboards, but the reason we use plastic standoffs for boards on RC is:

(1) a bit of shock abosorbtion
(2) rc crashes scratches, etc can be made on a positive trace
(3) stray wires that fall off during flight could complete a circuit

--

Tim Smith (KK4QBN)
KK4QBN BBS

Ah. SO does that mean there is current going threough the standoffs but you can complete the ciruit if the stand off loops back into a negative terminal (and therefore this also touches my side panel; it shocks me?

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Re: When your power supply shocks you
By: Mro to KK4QBN on Mon Apr 03 2017 05:05 pm

as far as i know, all mobo standoffs are metal. you shouldnt have juice coursing through your board in such a way that contact causes shockies.

This has also been my experience. The case should be grounded, and the mobo standoffs are always on the common board ground as well. A voltmeter/multimeter should be able to test all this for you.

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Re: When your power supply shocks you
By: Mro to KK4QBN on Mon Apr 03 2017 05:05 pm

Re: When your power supply shocks you
By: KK4QBN to Mro on Sun Apr 02 2017 10:36 pm

Re: When your power supply shocks you
By: Mro to KK4QBN on Sun Apr 02 2017 05:24 pm

plastic standoffs? shit, i have all metal ones

Would'nt that defeat the purpose of trying not to have your case in the circuit? I presume it would help if it created a common ground, but I've always thought it best to float a board on plastic, especially in rc setting.

as far as i know, all mobo standoffs are metal. you shouldnt have juice coursing through your board in such a way that contact causes shockies.

Motheboard standoffs can be plastic or metal. I've used both: https://www.newegg.com/Product/ProductList.aspx?Description=motherboard%20stand offs&Submit=ENE

digital man

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Re: When your power supply shocks you
By: Deavmi to Mro on Tue Apr 04 2017 12:50 pm

Juice? Like liquid? Grease? What are you referring to?

juice.. power.. electricity. ye olde watts.. that stuff that helps create the magic smoke.

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Re: When your power supply shocks you
By: Deavmi to KK4QBN on Tue Apr 04 2017 12:53 pm

Ah. SO does that mean there is current going threough the standoffs but you can complete the ciruit if the stand off loops back into a negative terminal (and therefore this also touches my side panel; it shocks me?

Really anythings possible, have you ever attempted stripping a phone line with your teeth when the phone decides to ring? that sucks..


I have completed (or shorted) however one wants to call it, a circuit on one of my flight controller boards onto a metal frame using metal standoffs on a gps module. did'nt really shock me, but it finally let the magic smoke out.

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: tfurrows to Mro on Tue Apr 04 2017 01:16 pm

Re: When your power supply shocks you
By: Mro to KK4QBN on Mon Apr 03 2017 05:05 pm

as far as i know, all mobo standoffs are metal. you shouldnt have juice coursing through your board in such a way that contact causes shockies.

This has also been my experience. The case should be grounded, and the mobo standoffs are always on the common board ground as well. A voltmeter/multime

ter

should be able to test all this for you.

I wanted to get a volt meter to test where the conduting of electricty around my case was. But nevermind The SATA connectors didn't work on that mobo so yeah.

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Subject: When your power supply shocks you
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Re: When your power supply shocks you
By: KK4QBN to Deavmi on Tue Apr 04 2017 11:06 pm

Re: When your power supply shocks you
By: Deavmi to Mro on Tue Apr 04 2017 12:50 pm

Juice? Like liquid? Grease? What are you referring to?

juice.. power.. electricity. ye olde watts.. that stuff that helps create th

e

magic smoke.

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Tim Smith (KK4QBN)
KK4QBN BBS

Ah. I like orange juice.
.s

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Re: When your power supply shocks you
By: KK4QBN to Deavmi on Tue Apr 04 2017 11:09 pm

Re: When your power supply shocks you
By: Deavmi to KK4QBN on Tue Apr 04 2017 12:53 pm

Ah. SO does that mean there is current going threough the standoffs but you can complete the ciruit if the stand off loops back into a negative terminal (and therefore this also touches my side panel; it shocks me?

Really anythings possible, have you ever attempted stripping a phone line wi

th

your teeth when the phone decides to ring? that sucks..

I have completed (or shorted) however one wants to call it, a circuit on one

of

my flight controller boards onto a metal frame using metal standoffs on a gp

s

module. did'nt really shock me, but it finally let the magic smoke out.

--

Tim Smith (KK4QBN)
KK4QBN BBS

Stripping a phone line with your teeth. Lol. Ever tried burning the end of the cable with a match or lighter and then use tissue paper or better - paper towels - and then place it and rip it off (the burnt part of the cable).

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Re: When your power supply shocks you
By: Deavmi to KK4QBN on Wed Apr 05 2017 10:49 am

Stripping a phone line with your teeth. Lol. Ever tried burning the end of the cable with a match or lighter and then use tissue paper or better - paper towels - and then place it and rip it off (the burnt part of the cable).

lol, I do it with my bare thumb and finger, they are already blisterd and callused <sp> so badly that it does'nt even bother me no more.. I've been known to grab a soldering iron up wrong at times too and sit there and look at it while its sizzling my finger and wonder why the hell its doing that.. haha.. now that effing hurts "after the fact of course".

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Re: When your power supply shocks you
By: Deavmi to KK4QBN on Wed Apr 05 2017 10:49 am

lol, I do it with my bare thumb and finger, they are already blisterd and callused <sp> so badly that it does'nt even bother me no more.. I've been known to grab a soldering iron up wrong at times too and sit there and look at it while its sizzling my finger and wonder why the hell its doing that.. haha.. now that effing hurts "after the fact of course".

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Sizzle me fingers.

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Re: When your power supply shocks you
By: KK4QBN to Deavmi on Wed Apr 05 2017 09:31 pm

lol, I do it with my bare thumb and finger, they are already blisterd and callused <sp> so badly that it does'nt even bother me no more.. I've been kn

own

to grab a soldering iron up wrong at times too and sit there and look at it while its sizzling my finger and wonder why the hell its doing that.. haha.. now that effing hurts "after the fact of course".

Oooooowwwww! I uaed to use a sodering iron when I was a kid, amd I've burned my hand a couple of times with it by picking up the iron the wrong way. I've gotten blisters from it, and it hurts like nobody's business!

I used to work as a technician assistant for an organ and keyboard repair shop, and we were at this one church where the technician was working on this one organ, picked up the sodering iron by the wrong end, got burnt, only reacted wirh a hissing sound. I believe it was a minister or someone watching over the building made a conment, "Man, I'd be cussing by now,"

Huh, I wonder why I became a software developer. :)

-jag
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Re: When your power supply shocks you
By: KK4QBN to Deavmi on Wed Apr 05 2017 09:31 pm

own

Oooooowwwww! I uaed to use a sodering iron when I was a kid, amd I've burned my hand a couple of times with it by picking up the iron the wrong way. I've gotten blisters from it, and it hurts like nobody's business!

I used to work as a technician assistant for an organ and keyboard repair shop, and we were at this one church where the technician was working on this one organ, picked up the sodering iron by the wrong end, got burnt, only reacted wirh a hissing sound. I believe it was a minister or someone watching over the building made a conment, "Man, I'd be cussing by now,"

Huh, I wonder why I became a software developer. :)

-jag
Code it, script it, automate it!

Lol.

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Re: When your power supply shocks you
By: jagossel to KK4QBN on Thu Apr 06 2017 06:23 am

I used to work as a technician assistant for an organ and keyboard repair shop, and we were at this one church where the technician was working on this one organ, picked up the sodering iron by the wrong end, got burnt, only reacted wirh a hissing sound. I believe it was a minister or someone watching over the building made a conment, "Man, I'd be cussing by now,"

I've actually picked it up a couple times like that, for some strange reason.. I presume any sane person would only take one time to figure it out. but working in the field in a hurry does'nt mix with trying to be safe :)

If I'm not mistaken, everytime I've done this I've only like hissed also.. I believe when you finally feel the burn to the bone it puts you in so much shoch thats all one can muster.

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