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Comparative Corrosion and Current Burst Testing of Copper and Aluminum Electrical Power Connectors

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2 Author(s)
Frank, R.F. ; Canadian Copper & Brass Assoc., Don Mills, Ont. ; Morton, C.P.

Crimped and mechanically bolted aluminum and copper connectors are commonly used for terminating industrial electrical power cables with ratings up to 600 V. Aluminum connectors are available for use with aluminum and copper conductors, and copper connectors are available for use with copper conductor only. The performance of copper and aluminum connectors was compared by conducting accelerated aging under corrosive environmental conditions. The testing consisted of 2000 h of cyclic salt fog environmental exposure, in conjunction with periodic electrical current burst testing. The connectors were evaluated by comparing the change in resistance of the test samples as the test progressed

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Industry Applications, IEEE Transactions on  (Volume:43 ,  Issue: 2 )