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-   -   Will this kill me? (https://www.caraudioforumz.com/general-discussion-10/will-kill-me-259099/)

StillPlayinLow2 01-26-2011 10:11 PM


Originally Posted by jalat (Post 643136)
we are dealing with DC voltage... its impossible to get hurt.



hybrid cars have 500+ volts DC, that can kill you.

.....Just sayin

DeadlySones 01-27-2011 04:36 AM

It only takes 3-4 Milli-amps (iirc) across your heart to kill you... think about a pacemaker...

Less than 1 amp that crosses from one hand, across your heart, to your other hand CAN KILL YOU. This is why when working with electrical panels you keep one hand in your pocket. lol It usually will travel from your hand to your feet, which you will feel, but live to tell about it. ;)

Just disconnect from the power source(s). A cap is still a power source... even with the ground removed from the batt. The cap is still grounded, if you touch the positive on the frame that cap IS going to discharge. HUGE SPARK! If you want to discharge it properly, either use a resistor, or small test light till it goes out. OR, do like I said before and just remove both ends of the wire your using. ;)

Safety First.

DeadlySones 01-27-2011 04:51 AM


Originally Posted by wasted911 (Post 643160)
I thought caps blew up when you short them out.

lol, they invented a little pressure vent in the top of most for several years now, so they will vent internal pressure, but ya... some of the old school ones were bombs waiting to happen. lol

If anyone ever buys used caps they should always be sure to check the vent. If its raised even a slight bit... chances are the cap has had its terminals arced and is likely lacking in capacitance.

fresh1 01-27-2011 12:34 PM

What if you just disconnected your power wire up front, taped off the end, put the grommet on and connected the wire back to the battery and didn't worry about dying or the cap blowing up?

Dukk 01-27-2011 02:41 PM

^ That would work too if you tape well and take a just a little care while doing it. Based on some of the statements in this thread though..... :sly: :ohwell:

Dukk 01-27-2011 02:44 PM


It only takes 3-4 Milli-amps (iirc) across your heart to kill you... think about a pacemaker...
I agree with this though so, to be totally safe, never touch a charged capacitor to your bare heart, especially if sitting in a tub of salt water. Very risky.. :rolleyes:

JohnVroom 01-27-2011 06:21 PM


Originally Posted by jalat (Post 643136)
we are dealing with DC voltage... its impossible to get hurt.

I believe this post was made in fun
please do not believe this ... generally you just have to fail with more flair
we have lost a couple to DC but it usually involves wrenches and short circuits

jalat 01-27-2011 11:12 PM


Originally Posted by JohnVroom (Post 643240)
I believe this post was made in fun
please do not believe this ... generally you just have to fail with more flair
we have lost a couple to DC but it usually involves wrenches and short circuits


guess what i did today... i put one hand on my positive batt terminal, and the other on my negative terminal.

now go to an outlet with a butter knife in each hand and stick each knife into a prong hole.

let me know if you survive to type this

fresh1 01-28-2011 01:37 AM

Soffffffft. You're supposed to take a wire from your postive and one from your negative terminal and touch them to your tongue. Everyone knows thats how you test batteries

Father Yuli 01-28-2011 12:38 PM

so in a nutshell, yes it can kill you.

are you still alive?


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