If I remember correctly aluminium wire will 'creep' under load so you
lose the contact pressure. This is also a problem with solder so don't
tin your wires if you are using screw terminals or crimps.
Les
Richard Mustakos wrote:
> Dave,
> Where have you been? Don't you know that we use copper plated zinc
> pennies? And that eating a copper penny is not considered a hazard, but
> the zinc coated ones are? I guess the acids in your stomach either
> don't dissolve copper, or it requires a lot of copper to be a problem.
> Otherwise, lead killed the Roman Empire, but copper will have killed a
> _bunch_ of modern countries.
> Does anyone know why aluminum is bad for house wiring? (real question,
> not a joke) Is it that aluminum has a greater thermal expansion ratio
> than copper, and so the connections worked themselves apart?
> Thanks
> Richard
>
>
>>But, I'm thinking that here in the US, we use copper pennies and
>>copper water pipe so we probalby dump more copper into the waste
>>stream than all the pcb houses put togehter.
>>
>>Dave
>>
>>
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