Recommended Practice for Processing and Handling Wire and Cable with Silver Plated Conductors and Shields.

Standard:
Issued:
  • 2010-10-20
Scope:

This ARP specifies the recommended methods of handling silver coated conductors and shield, by the conductor fabricator, wire insulator, distributors, harness or assembly houses, and OEM’s. Red Plague mitigation depends upon each link in the chain of supply handling the wire and cable properly.

Rationale:

This Aerospace Recommended Practice (ARP) establishes standard methods for handling of wire and cable with silver coated copper and copper alloy conductors and shields. The proper handling of wire or cable with silver coated conductors and shields is critical to ensuring the quality of the product, providing controls against the development of cuprous/cupric oxide corrosion (Red Plague). Red Plague is a galvanic corrosion of silver coated copper materials which occurs when the silver coating does not adequately cover the underlying copper and is exposed to water by either direct contact or condensation. Control of this corrosion mechanism is important because it is difficult to predict the extent of corrosion achievable over time, Red plague imposes unacceptable risk to critical system performance.

History:
Standard Published Revision Status
ARP6400 2010-10-20 Latest Issued
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