basse tension

Recyclage d’alim. et branchement de jack : fil rouge ou noir ?

Lorsque l’on coupe la gaine d’une alimentation externe type portable, on peut être supris de ne trouver que un seul fil avec autour du blindage …
Dans cet article je vous explique le branchement typique d’un jack et vous rappelle les conventions de code couleur par tension d’alimentation

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