Half a croissant, on a plate, with a sign in front of it saying '50c'
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Fusible Trailer Hitch

 Protect trailer wiring from dangerous overcurrent conditions
 
(+1, -1) 		  [vote for,
against]

In the event of a short circuit or other condition which would reslut in an overload of the towing vehicles electrical system, the fusible hitch ball melts. This interrupts the flow of current by removing the ground path to the vehicle frame.
—dreaminfusion, Dec 21 2003

google reslut http://www.google.c...search=&safe=images
Well, maybe next time.... [normzone, Oct 04 2004, last modified Oct 06 2004]

Turns out, it's some kinda fish. Who knew? http://www4.ocn.ne....shing/myresult.html
[Amos Kito, Oct 04 2004]

[link]






       Is this for parked trailers only? At highway speeds, It's not often desirable for your trailer to break free. You'd need spare hitch balls, or you may have to leave the trailer where it fell.
However, I may be interested in a reslut.
—Amos Kito, Dec 21 2003
   

       Probably it would be safer to just have a wheel fall off of the towed item. That way it wouldn't break free to carom off other vehicles, as would be the case with the fusible hitch. The sparks and grinding noise would alert the driver to a problem.
—bungston, Dec 21 2003
   

       Even without *reslut* - This is actually a funny idea. Bun for the straight face.
—thumbwax, Dec 22 2003
   

       //At highway speeds, It's not often desirable for your trailer to break free.//   

       With the electrical system gone you don't want that piece of of junk anyway. Let it go straight to the ditch to join the 15" TVs and 486 computers.
—kbecker, Dec 22 2003
   

       Say goodbye to that expensive new boat ... and your insurance premiums.
—Letsbuildafort, Dec 22 2003
   

       reslut. Ha!
—k_sra, Dec 22 2003
   

       Reslut? ... well, it looks fine to me ...
—Letsbuildafort, Dec 22 2003
   

       I thought maybe I wanted one also, but I did a search, and it doesn't look like it lives up to it's potential (see link)
—normzone, Dec 22 2003
   

       Why not just make the hitch connection out of fiberglass/kevlar/carbon-fiber (or some other nonconductive strong material) and have a fuseable link on a seperate groundwire?
—ed, Dec 09 2005
   

       I have some 'O' rings that are formed from a cylinder with hitch ball at one end.   

       Does the writer imply that trailer cables should be connected with fusible links that are hitch balls instead of bladed plugs?
—reensure, Dec 09 2005
   
      
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