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Corrosion of Power Connector





September 26, 2008

We have a problem with corrosion of connectors in a unit we have produced, in this connector we have 4 pins (red:-48V, white and yellow: low Volt controllers; Blue: ground)

My question:
How come that red is always the first to corrode ?

Mads Frederiksen
Plating shop employee - Skive, Denmark



September 26, 2008

The red one is the anode (+) connection. In the presence of conductive moisture the anode will dissolve (corrode)
Keep the connections clean and dry.

don baudrand
Don Baudrand
Consultant - Poulsbo, Washington
(Don is co-author of "Plating on Plastics" [affil link to the book on: Amazon or AbeBooks ])


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