Gold prices dropping

Originally Posted by NobleMetalWorks

Etack,

I am travelling atm and using my phone. It is my understanding, and you can google this, that cadmium oxide is used in the larger contacts because applications with high voltage/amps tend to ark, the cadmium oxide prevents scoring.

ASTM B781 - 93a(2012) Standard Guide for Silver Cadmium Oxide Contact Material

I am checking into a hotel later. When I get a chance I will post what information I have.



Scott

Thanks Scott Be safe on the road.

The link that you provided made my point on size of the contacts being small and used in relay style applications.

Eric