Hello Technetters,

We are wondering if it is a good or evil practice to tin the wires that 
will be inserted in terminal blocks such as ETB74.

On numerous occasions, I've seen these connections loosen and/or the 
stranded wires damaged by applying torque to the connection. In a 
previous live, I've seen tined wires that seem to work fine but never 
had the chance to see long term effect of tinning.

So the question: to tin or not to tin? Should ferrules always be used? 
Is it better to use solid wires as opposed to stranded wires?

Thank you!

JF

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