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The Conext SW DC switchgear is advertised as having copper bus bars, why do they look like steel?

Issue
The bus bars in the Conext SW switchgear have a more silver color than copper.

Product Line
Conext SW, Conext SW PDP, Conext SW DC Switchgear

Environment
Conext SW used with Conext SW DC Switchgear

Cause
The DC Switchgear is advertised as having copper bus bars.  The included bus bars look more like steel than copper.

Resolution
The bus bars are bright tin-plated copper.  Bare copper would oxidize over time.  They UL-listings for the switchgear are with the tin plating included.
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