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[aprssig] Re: power poles (oh noooo)

Dale Blanchard wa7ixk at earthlink.net
Mon Jan 1 21:48:39 UTC 2007


Steve Dimse wrote:
> 
> On Dec 31, 2006, at 8:43 PM, Dale Blanchard wrote:
> 
>> power poles can not cause a fire.
>> something else has to be involved.
> 
> 
> Yes, electricity. A corroded connection will have a non-zero  
> resistance. As current flows through it, the resistance causes the  
> generation of heat. Enough heat can cause plastic insulation to catch  
> fire.
> 
>> Mine get wet all the time on my motorcycle.
> 
> 
> There is a huge difference between fresh and saltwater. Until you  have 
> tried to maintain electronics on a boat kept in the ocean you  cannot 
> begin to appreciate the corrosiveness of saltwater.
> 
> I have no idea if PowerPoles are more or less likely to succumb to  
> corrosion and fire than other connectors, but I have no doubt it  could 
> happen.
> 
> Steve K4HG
> 
>There are connectors more suitable for marine use and should be used.
Power poles should be ok  for temporary use with removable equipment.
There is a reason I live in the desert.
But if desert alkali dust gets wet it is as bad as saltwater.
I just don't see blaming stupidity on power poles.
Dale






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