Few places have it in rolls anymore. I don't actually know of one locally but I haven't tried that at mcguckins yet. On Thu, Apr 2, 2015 at 7:01 PM, Robert Dvoracek wrote: > Spark plug wire, available at most good auto parts stores. > Buy it on the roll. Otherwise it is carbon resistance "wire". > > Cheers, > Robert > > ---------------------------------------- > > Date: Thu, 2 Apr 2015 18:55:07 -0600 > > Subject: Re: [EE] Low corona HV wiring > > From: microbrix@gmail.com > > To: piclist@mit.edu > > > > I think 30uA might be ambitious for me.. :) > > > > > > > > On Thu, Apr 2, 2015 at 6:47 PM, Bob Ammerman > wrote: > > > >> I have customer that builds high-voltage lightning arrestors for > >> transmission and distribution lines. The use a wire insulated with > silicon > >> insulated about 3/8" to 1/2" in diameter to handle voltages up to abou= t > >> 40Kv. They may not be too concerned about corona loss since their powe= r > >> supply is about the size of a small refrigerator and has an input > breaker > >> for 240V (480V?) of at least 30A. > >> > >> > >> > >> ~ Bob Ammerman > >> RAm Systems > >> > >>> -----Original Message----- > >>> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On > Behalf > >>> Of Jason White > >>> Sent: Thursday, April 02, 2015 8:22 PM > >>> To: Microcontroller discussion list - Public. > >>> Subject: Re: [EE] Low corona HV wiring > >>> > >>> In a pinch, what I have done in the past is take a length of rather > nice > >> silicone > >>> air line (1/8" inner diameter, 3/8" outer) use it to sheath existing > low > >> voltage > >>> wires (short 10kV pulse). Perhaps I mearly got lucky, since most air > line > >> (that I > >>> know of) isn't rated for this application. However, I suspect due to > its > >>> thickness that it would capable of more when used in over top of an > >> existing > >>> high voltage rated wire. > >>> > >>> If you have no other alternative, I would look for something like tha= t > >> either > >>> on ebay or at your local hardware store. I have had good luck on the > >> former. > >>> > >>> On Thu, Apr 2, 2015 at 7:32 PM, David VanHorn > >>> wrote: > >>>> I need suggestions for a small wiring job. I'm running 50kV from a > >>>> VanDeGraff generator to a resistor and a spark gap. I don't want to > >>>> take too much of a hit from corona losses, but I don't want to get t= oo > >>> exotic. > >>>> The spark gap end needs to be removable, and I'll probably blue tape > >>>> the other end to the VDG sphere. > >>>> > >>>> I don't know what sort of commonly available wire might be suitable. > >>>> Spark plug wire? > >>>> 50 is a bit hot really for spark plug systems, the plug gap is much > >>>> smaller than that at least in cars. 50 will jump over an inch betwee= n > >>>> small spheres. > >>>> > >>>> The total length is less than three feet. > >>>> > >>>> > >>>> Ideas? > >>>> -- > >>>> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > >>>> View/change your membership options at > >>>> http://mailman.mit.edu/mailman/listinfo/piclist > >>> > >>> > >>> > >>> -- > >>> Jason White > >>> -- > >>> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > >>> View/change your membership options at > >>> http://mailman.mit.edu/mailman/listinfo/piclist > >> > >> -- > >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > >> View/change your membership options at > >> http://mailman.mit.edu/mailman/listinfo/piclist > >> > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .