What types of wires are usually use for connect parts of electronic circuits?

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What types of wires are usually use for connect the parts of electronic circuits, do it is important or not, do can copper wires?

Thanks.

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Copper wire is the best.
We usually use hook-up
wire.

Yeah, commonly called "hookup wire". You choose the wire size depending on location, here I go with AWG (American Wire Gauge) while most of the rest of the world simply specifies the wire diameter. You also choose stranded or solid conductor(s). Then you choose the alloy and as mentioned copper is the most common and popular. When working with a common breadboard the common wire diameter is about 0.6mm diameter single/solid core which for me is about AWG 22 to 24. Anyway "hookup" wire is the term I believe you are looking for.

Ron