Which wire is positive and negative?
In general, red wires are used to indicate positive voltage, while black wires are used to indicate negative voltage.
What is black wire with white stripe?
Despite the name, black wire with a white stripe is not a common electrical component. In most cases, this stripe indicates the presence of a positive electrical current. While black is a negative electrical wire, white is a positive one. Likewise, the unmarked white wires are negative.
Which speaker wire is positive stripe?
Colour-coding: Speaker wires are often colour-coded, which will help you remember which one is positive and which one is negative. The most common colour coding is red and black, where red is positive and black is negative.