High Voltage Direct Current is LETHAL

Olive Drab Green

Olive Drab Green

Well-Known Member
freemanjack said:
if that risk is accepted and adopted without first figuring if it is necessary then go have fun playing with the traffic on the nearest freeway!
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I fought in Afghanistan as a 19-year-old kid, so I'm pretty familiar with crazy and nonsensical risk. Traffic ain't got shit on me. I'll joust with a MACK truck naked and probably still walk out of it.
 
dandyrandy

dandyrandy

Well-Known Member
freemanjack said:
with vero's, unless yer driving 4.2a per cob @150c you won't, vero's are virtually bomb proof.
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As long as you have the heat sink. I built my first V29 a couple years ago. I used vinyl fenceposts for cool tubes. I use 16 3590's now passive cool hood but expect to switch back to v29's 3k next year. Good cob. I believe I like the 3k 29's a bit better.
 
dandyrandy

dandyrandy

Well-Known Member
It's all about current. I love Tesla. My amateur radio amp uses 6kv on the plate at 1.5 amps. Very lethal. I also work on eb welders 100000 volts. Yep I know my dc. EB welders are amazing. It's a Giant metal vacuum tube made of metal that welds parts together with an electron beam. We have 6 Hamilton Standards. Amazing CNC machine. Check them out on YouTube. The hv cable is in a nitrogen jacket. Very lethal.
 
cat of curiosity

cat of curiosity

Well-Known Member
freemanjack said:
skin resistance so is more or less safe at any amperage, 50v at 100a tickles if yer sweaty, as a welder i should know!! but make that 100vdc at 50a yer in an entirely different ballpark.
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touching a slightly shorted handle or nicking a rod isn't the same as licking the glass housing of a thyratron. in dc, you're generally running low amps and higher voltage. straight from a text book:

"While any amount of current over 10 milliamps (0.01 amp) is capable of producing painful to severe shock, currents between 100 and 200 mA (0.1 to 0.2 amp) are lethal. Currents above 200 milliamps (0.2 amp), while producing severe burns and unconsciousness, do not usually cause death if the victim is given immediate attention. Resuscitation, consisting of artificial respiration, will usually revive the victim."

so be careful with dc, it will kill you much quicker than ac.
 
S

Shugglet

Well-Known Member
freemanjack said:
lol but i still doubt you got big enuff kahoonas to stick yer tongue on a 170vdc meanwell??
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lol ok, if youre tongue fucking your lights, there are bigger issues at hand than how you happen to wire them.

Is it really that hard to secure all your wires?
 
SPLFreak808

SPLFreak808

Well-Known Member
High current DC (with enough voltage) & high voltage AC (with enough current = will blow your fucking bone out your elbow if you screw into it with force, man as a generator engineer/professional audio installer i've seen some shit... even seen dudes fly off ladders 20ft high lol


I can also tell you straight up that ill take a taser to my back for 5 mins over getting stuck on drier 240 line for a few seconds!
 
The Dawg

The Dawg

Well-Known Member
Shugglet said:
lol ok, if youre tongue fucking your lights, there are bigger issues at hand than how you happen to wire them.

Is it really that hard to secure all your wires?
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How About A Railroad Transformer You Know The 1 On Your Lionel Train Set That Switch Tracks. Well Tape A Lead To Your Ankle And 1 To Hers Well You Get The Idea Zipity Do Da Zipity A My Oh My What A Wonderful Day :hump:
 
ttystikk

ttystikk

Well-Known Member
The Dawg said:
How About A Railroad Transformer You Know The 1 On Your Lionel Train Set That Switch Tracks. Well Tape A Lead To Your Ankle And 1 To Hers Well You Get The Idea Zipity Do Da Zipity A My Oh My What A Wonderful Day :hump:
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Now I know what's wrong with you! lol
 
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