Do what some others do - for DC stuff - Black is always supposed to be "ground". In a lot of military stuff, +5v is red - Other voltages will have other colors, and I'll be darned if I can remember them 15 years later
You'll see Orange, Purple, Blue etc - each is a DIFFERENT voltage - ALL are referenced to that nice black wire
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73 de KG2V
You are what you do when it counts - The Masso
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