High current fuses

[McIntosh 10+ year member]

Oh my fucking god I want to buy a ban for you. My whole argument last time was based on ohms law.
Your trolling is succeeding.

My post was intended to be sarcastic. If you could grasp that concept you may understand. If you believe a short wire can carry more current than a long wire you certainly cannot possibly comprehend something as simple as ohm's law. Simple high school algebra. Its not calculus, I'm not citing derivatives or integrals for christ's sake. No simultaneous equations. Simple shit. No y= mx+b or anything remotely like that. Its simple math.

 

[SicAudio 5,000+ posts]

dc power fusing is based on generated heat. same as ac in homes ect. the length of the wire has everything to do with it. if Macintosh wasnt such a high and mighty know it all wanna be with his fake EE degree he would know this. 120 volts generates heat more than 50 x's faster than 12 volts dc it is called exponential progression. AC current travels on both wires alternating hence the name AC, DC is direct hence the name DC, when is the last time you saw the ground wire heat up on a properly wired and grounded DC setup regardless of current draw? welders use 100's of volts DC and the ground never gets even warm, in AC all wires get hot!!! . therefore what applies to home wiring is totally different than his supposed field of NEC wiring which deals entirely on solid core wire and AC current over very long runs. if he had 1/2 as much intelligence as he says he does, he would have learned this and not be such a moron in this and 2 other forums where noboby can tolerate him. DC current is a totally different game and he knows it, he is just a lonely **** surfer that has nothing better to do so he comes here to propagate falsehoods based on his own fantasies , poor kid prolly got beat up alot as a child. sad....................

 

[Sarthos 10+ year member]

McIntosh=world's poster child for abortion

 

[MakeshiftAudio 10+ year member]

I don't think you can understand that you can have an infinitely high number determined for current density, if you want to view it that way, that's what it's all about.

Also, with you saying that you ignore voltage drop, you ignore the whole point of using a larger wire. The R is decreased when you increase sectional cross area. The total R in the system goes down if you shorten the wire. That is the only reason why you use bigger wire for a given length. Now. That being said, you can use a smaller wire, but R increases, increasing dissipation, which at a point gets to destroying the insulation, then is classed as a bad wire.

Are you saying I cannot pass 300A through ~3" of 4AWG? If so. Why?

 

[McIntosh 10+ year member]

Oh my fucking god I want to buy a ban for you. My whole argument last time was based on ohms law.
Your trolling is succeeding.

If you only had a brain....

 

[MakeshiftAudio 10+ year member]

//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

 

[SicAudio 5,000+ posts]

My post was intended to be sarcastic. If you could grasp that concept you may understand. If you believe a short wire can carry more current than a long wire you certainly cannot possibly comprehend something as simple as ohm's law. Simple high school algebra. Its not calculus, I'm not citing derivatives or integrals for christ's sake. No simultaneous equations. Simple shit. No y= mx+b or anything remotely like that. Its simple math.

my wife doesnt know jack shit and even she laughed when she read this, you really are an idiot, the shorter the wire the less heat stupid, resistance is the key, dc current travles 1 direction on 1 wire so it builds heat a shitload faster, ac travels bi directional on 2 or more wires depending on voltage and phasing, ( yeah thats sally struthers education *******, i like i said before and regardless of your fantastic claims, I was a licensed "Federal" lineman *******, til i fell 80 feet and broke my back! ) therefore longer wire makes more heat because of resistance, AC benefits from sloughing heat by sending the excess on the parralel, whereas DC cannot. if you really were an electrician you wouldnt even be arguing this idiot.

put 30 amps of AC current draw on a tiny 14 guage wire in your house , oh wait you cant, but everytime you activate your cars ABS system by slamming the brakes you are drawing between 45 and 120 amps of current !! yeah and the wire is only a couple feet long go figure huh? shows what you really know idiot.

 

[Sarthos 10+ year member]

Does it really take that much current to activate your ABS?

 

[McIntosh 10+ year member]

dc power fusing is based on generated heat. same as ac in homes ect. the length of the wire has everything to do with it. if Macintosh wasnt such a high and mighty know it all wanna be with his fake EE degree he would know this. 120 volts generates heat more than 50 x's faster than 12 volts dc it is called exponential progression. AC current travels on both wires alternating hence the name AC, DC is direct hence the name DC, when is the last time you saw the ground wire heat up on a properly wired and grounded DC setup regardless of current draw? welders use 100's of volts DC and the ground never gets even warm, in AC all wires get hot!!! . therefore what applies to home wiring is totally different than his supposed field of NEC wiring which deals entirely on solid core wire and AC current over very long runs. if he had 1/2 as much intelligence as he says he does, he would have learned this and not be such a moron in this and 2 other forums where noboby can tolerate him. DC current is a totally different game and he knows it, he is just a lonely **** surfer that has nothing better to do so he comes here to propagate falsehoods based on his own fantasies , poor kid prolly got beat up alot as a child. sad....................

I hope you're a better listener in shop class or you're gonna lose a few fingers before you figure this simple shit out. Both wires? AC only needs one? WTF? Google coulomb dumb ***. Welders are constant current devices, I weld BTW. NEC is not entirely solid core either, quit talking out your ***. You have no clue.

 

[SicAudio 5,000+ posts]

yes it does, a typical ABS setup has 2 30 amp relays , a 60 - 100 amp fuse array and at full tilt a gm car with the world famous delco vi system can draw over 200 amps, but usually no more than 90 in short bursts.

 

[SicAudio 5,000+ posts]

I hope you're a better listener in shop class or you're gonna lose a few fingers before you figure this simple shit out. Both wires? AC only needs one? WTF? Google coulomb dumb ***. Welders are constant current devices, I weld BTW. NEC is not entirely solid core either, quit talking out your ***. You have no clue.

so tell me then moron why is dc direct on 1 wire and ac is called alternating? it alternates between the hot and common moron, like i said flaunt your google bullshit to someone that isnt a real electrician or go the fvck away noob.

and 90% of all welding is DC idiot. which is constant current just like you said ac is not constant it cycles 60 times per second dooooooh!!!

 

[SicAudio 5,000+ posts]

the majority of AC is solid core, for arguments sake i said it it all was. and wait? why is there a common return wire if ac only needs 1 wire idiot? shows us all you have been lying like i said for 2 years *******. ac alternates on 2 wires minimum!!!!!

just like no one can be a registered NEC wireman with only 2000 hours ojt lol you are very stupid and so full of yourself, i wish you lived by me, i have 3 retired neighbors in EE, NPE ( nuclear physics ) and astrophysics that when i print these posts of yours they laugh their ***** off and wonder if you are 12 lolz. they want to beat your sorry ****** *** lolz and they are all in their 60's and 70's lol bet youd own up to them lol. you are so pathetic...................

 

[McIntosh 10+ year member]

my wife doesnt know jack shit and even she laughed when she read this, you really are an idiot, the shorter the wire the less heat stupid, resistance is the key, dc current travles 1 direction on 1 wire so it builds heat a shitload faster, ac travels bi directional on 2 or more wires depending on voltage and phasing, ( yeah thats sally struthers education *******, i like i said before and regardless of your fantastic claims, I was a licensed "Federal" lineman *******, til i fell 80 feet and broke my back! ) therefore longer wire makes more heat because of resistance, AC benefits from sloughing heat by sending the excess on the parralel, whereas DC cannot. if you really were an electrician you wouldnt even be arguing this idiot.put 30 amps of AC current draw on a tiny 14 guage wire in your house , oh wait you cant, but everytime you activate your cars ABS system by slamming the brakes you are drawing between 45 and 120 amps of current !! yeah and the wire is only a couple feet long go figure huh? shows what you really know idiot.

She does indeed know jack shit, she's looking over his shoulder. Shorter wire less heat stupid? I^2R. Ohm's law. Where's the length in that equation stupid? DC travels one direction on one wire? Amazing. Where's the complete circuit? AC needs two wires and depends upon phasing? Do tell. You're a licensed bullshitter, never a lineman. Sloughing heat? Sending excess on the parallel? WTF are you talking about? I'm sure you tolerate 150+dB for months as well.

 

[MakeshiftAudio 10+ year member]

I would say you were doing good until the beating his *** thing.

Commonly the return is grounded anyways, if you're classing that into two wires.

If you're a lineman, cool. I have a set of 14.4kV 25kVA wye distribution transformers I use for high voltage shows to power stuff. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif Dangerous stuff.

 

[MakeshiftAudio 10+ year member]

She does indeed know jack shit, she's looking over his shoulder. Shorter wire less heat stupid? I^2R. Ohm's law. Where's the length in that equation stupid? DC travels one direction on one wire? Amazing. Where's the complete circuit? AC needs two wires and depends upon phasing? Do tell. You're a licensed bullshitter, never a lineman. Sloughing heat? Sending excess on the parallel? WTF are you talking about? I'm sure you tolerate 150+dB for months as well.

Must you make me cover this for what, the third time?

R for the equation is determined by the length. The common measurement for wire is ohms/1000ft. Work it out that way.