[Amps] grid fuses

[Chris Howard]

On Fri, 2006-07-21 at 13:00, Joe Subich, W4TV wrote:
>  If it is hot (from either 
> excess grid current, electron bombardment or anode to grid arc) 
> a control grid will certainly climb high enough that it can arc 
> to the cathode or filament. 

I think that's why Will asked the question about the cathode.
Will a disconnected cathode emit?  If not, why would a hot grid?

(and I thought I was going to be quiet today...)