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Q: Does strip on wire mean negative or positive?
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Is the copper wire positive or negative?

copper is positive


How can you tell which is positive and which is negative on a speaker hookup?

Depending on colours of course black is usually negative and the other colour (generally red but depends) is positive. Get a D-cell Battery. Now get two pieces of speaker wire. hold one wire on the positive terminal of the battery and hold the other on the negative side of the battery. touch the wires to the positive and negative posts on the speaker. if the cone moves out ward the positive and negative are correct if it moves inward then the positive and negative are reversed (out of phase.) this simple test will allow you to see which terminal is which. Get a D-cell Battery. Now get two pieces of speaker wire. Hold one wire on the positive terminal of the battery and hold the other on the negative side of the battery. Touch the wires to the positive and negative posts on the speaker. If the cone moves outward the positive and negative are correct if it moves inward then the positive and negative are reversed (out of phase.) this simple test will allow you to see which terminal is which.


What is the difference between positive and negative wires?

Positive and negative wires are commonly found in electrical circuits. The positive wire carries the flow of current from the power source to the load, while the negative wire completes the circuit by providing a return path for the current to flow back to the power source. The positive wire is typically colored red, while the negative wire is usually colored black. It is important to correctly identify and connect these wires to ensure proper functioning of the circuit and to prevent damage to the components.


Is the black wire on a lamp connection plus or minus?

The color of the wire does not indicate its polarity. In electrical systems, the polarity is typically designated as positive (+) and negative (-) rather than plus or minus. To determine which wire is positive or negative on a lamp connection, you would need to consult the manufacturer's instructions or use a multimeter to check the voltage.


Is a red wire negative or positive?

In a DC circuit it is positive. In a 220v ac circuit it's one of the two positive (hot) lines.