Posts Tagged ‘How to Tell if an Electrical Wire Positive or Negative’

So, you’re faced with a black wire. Positive? Negative? Honestly, for us regular folk, it can feel like a guessing game. Why is that? Well, it’s mainly because the role of this mysterious black wire flips depending on the current—alternating or direct. Suddenly, an electrical wiring project can go from challenging to downright daunting. “But…