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What is Tinned Wires: Causes of Loose Connections about?

Tinned wires can become loose in screw terminal blocks for two main reasons: 1) When compressed in the terminal, the tin coating fractures and causes wire strands to pull apart, creating voids; 2) Thermal expansion and contraction causes shape changes in the tinned wire so it is no longer properly clamped. Moving away from tinning wires and using alternatives like ferrules can prevent loose connections caused by tin fracturing or not fitting properly in terminals.

Author

crimpster

Language

EN