Spark plug wire, available at most good auto parts stores. Buy it on the roll. =A0Otherwise 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 wrot= e: > >> I have customer that builds high-voltage lightning arrestors for >> transmission and distribution lines. The use a wire insulated with silic= on >> insulated about 3/8" to 1/2" in diameter to handle voltages up to about >> 40Kv. They may not be too concerned about corona loss since their power >> supply is about the size of a small refrigerator and has an input breake= r >> for 240V (480V?) of at least 30A. >> >> >> >> ~ Bob Ammerman >> RAm Systems >> >>> -----Original Message----- >>> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behal= f >>> 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 nic= e >> silicone >>> air line (1/8" inner diameter, 3/8" outer) use it to sheath existing lo= w >> voltage >>> wires (short 10kV pulse). Perhaps I mearly got lucky, since most air li= ne >> (that I >>> know of) isn't rated for this application. However, I suspect due to it= s >>> 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 that >> 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 too >>> 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 between >>>> 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 =20 --=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 .