[Elecraft] KPA500 Voltage?

David Gilbert ab7echo at gmail.com
Mon Nov 14 18:06:52 EST 2022



Yes ... both.  Go look for yourself.

Flexible cords like line cords are almost never aluminum ... I assume 
because line cords use fine stranded wires and if I'm not mistaken 
copper is more ductile than aluminum.

Dave   AB7E



On 11/14/2022 3:42 PM, Lou Mecseri wrote:
> BUT NOT BOTH.
>
> How about line cords?"
>
> Lou KE1F
>
> On 11/14/2022 22:32, David Gilbert wrote:
>>
>>
>> There is absolutely nothing inherently wrong with aluminum wire, and 
>> it is typically what is used for very large gauge wire ... even for 
>> the utility entrance in my location.  I would bet that if you look 
>> closely at your breaker box you will see the same for the main feed 
>> coming in unless you have a very lowly rated box for current.  I 
>> don't think you can even find , for example, 4/0 wire in copper at 
>> places like Home Depot or Lowes.
>>
>> The historical problem associated with aluminum wire was the material 
>> used for connections at the sockets and other places. That has all 
>> been changed long ago and if you look closely at many electrical 
>> fixtures and buss bars you will see that the contacts are stamped to 
>> be rated for either copper or aluminum.
>>
>> Dave   AB7E
>>
>>
>>
>> On 11/14/2022 3:08 PM, Lyn Norstad wrote:
>>> Ed -
>>>
>>> I cringe when I think of aluminum wiring.  I know it's currently 
>>> about half
>>> the price of copper, but a townhouse I lived in from 1979-1982 in 
>>> Chicago
>>> caught fire because of aluminum wiring and copper outlets.  In fact,
>>> statistics show that 50% of home fires are due to aluminum wiring.
>>>
>>> Aluminum does not meet any current (pun by chance ...) building 
>>> codes around
>>> here.  It's all copper. Has been for at least 40 years.
>>>
>>> If you're stuck with aluminum (and it's legal??), be sure to 
>>> liberally apply
>>> antioxidant where needed.
>>>
>>> 73
>>> Lyn, WØLEN
>>>
>>>
>>
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