Topband: RG-6 questions

Tom W8JI w8ji at w8ji.com
Mon Mar 16 11:27:35 EDT 2015


I better correct two pre-coffee typos I made:


> That is NOT the voltage breakdown of the coax from center to shield. That 
> is a wiring class voltage, similar to the jacket punch-through to a bare 
> external conductor.
>
> If you take regular foam dielectric "RG6" (which is almost never a real 
> RG6 style)  cable and strip back the end, and high pot the cable, the 
> center to shield dielectric breakdown of cable ***withOUT** a flaw is over 
> 12 kV.

This means modern RG6-type (which was also called "F6" and isn't a real RG6 
military number with copper shield and solid dielectric), if it does not 
have a serious internal flaw, at even a remotely reasonable SWR, is heat 
limited.




More information about the Topband mailing list