[aprssig] Re: power poles (oh noooo)
Dale Blanchard
wa7ixk at earthlink.net
Mon Jan 1 16:48:39 EST 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
More information about the aprssig
mailing list