What does the white stripe on a wire mean?
The neutral wire is identified by a white stripe, ribbing or white insulation. The hot (live) wire has no ribbing or stripe; it may have black or red insulation. If the cord has a green wire (rare), it’s a ground wire.
What is the blue and white wire in a car stereo?
Ground wires are black, antenna wires are blue, and amplifier wires are blue with a white stripe.
Is blue electrical wire positive or negative?
Blue = Neutral
The neutral wire colour is blue. The neutral wire transfers electricity away from the appliance to avoid overloading.