[TheForge] Re: Dielectric connections

[Jerry Frost]

Thanks Ries.

Whew! I was beginning to doubt my memory. . . MORE!

Frosty
-------------------------------
If it ain't forged
it ain't real.
Wrought iron is.
The FrostWorks

Meadow Lakes, AK.


From: "ries" <ries at riesniemi.com>


> We are not talking about ALL electrical connections 
> here- the bronze  fitting Jerry is referring to is 
> made, and sold, to solve a specific  application 
> between two metals.
> When plumbing, you often come up with a situation 
> where you need to  connect black iron, or galvanized 
> iron, to copper. These two metals  are far enough 
> apart on the galvanic corrosion chart that there may 
> be, depending on the presence of salts in your water, 
> corrosion if  they are connected directly.
> Bronze connectors are used, as they are about halfway 
> in between steel  and copper. Split the difference, 
> and minimise the chances of failure.
>
> This has been a time honored plumbing trick for 
> probably 50 years or  more.
>
> No, it does not apply to capacitors, or to insulating 
> 240,000 volt  lines, or to other real electrical 
> uses- but it is very common, and  works quite well, 
> to prevent galvanic corrosion in common plumbing 
> apps.
>
> Ries
>
>
> Ries Niemi
> Industrial Artist
> http://www.riesniemi.com/
>