How do I know which battery cable is positive?

Each battery has two metal terminals. One is marked positive (+), the other negative (-). There are also positive and negative cables in the jumper cable set. The red one is positive (+), the black one is negative (-).
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How can you tell if a battery cable is positive or negative?

The negative battery cable is almost always black in color. But, as was mentioned, the positive cable may also appear to be black. That's why you should always look for the plus (+) and minus (-) signs stamped into the battery case.
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How do you know which wire is positive on a battery charger?

If you have a wire where both sides are the same color, which is typically copper, the strand that has a grooved texture is the negative wire. Run your fingers along the wire to determine which side has the ribbing. Feel the other wire which is smooth. This is your positive wire.
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Which line is the positive terminal of the battery?

Most battery cases are marked positive (+) on one end and negative (–) on the other. These markings indicate the positive and negative battery terminals.
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Is positive terminal on left or right?

Some batteries sizes are available with terminals in many different configurations, but two main configurations are: positive on left and negative on the right corner. negative on the left and positive on the right corner.
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Car Battery Terminals Positive



What happens if you connect a negative battery terminal to a positive?

If the positives and negatives are switched, the battery will try to compensate and make the negative 12 volts into a positive charge resulting in a huge surge of power and an enormous amount of heat to be produced.
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Which wire is the positive and negative?

The coloring is as follows: The positive current must be red. The negative current must be black. The ground wire, if present, must be white or grey.
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Is striped wire negative or positive?

Usually* the wire with the white stripe or the dashed lines carries the "positive" (+) end, while the other, unmarked wire carries the "negative" (-) end.
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Which wire is hot if both are black?

Here's a rundown of electrical wires: The black wire is the "hot" wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the "neutral" wire, it takes any unused electricity and current and sends it back to the breaker panel.
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What is the negative battery cable connected to?

The negative battery cable (also known as the ground strap or ground cable) is a wire wrapped in black casing that connects the battery to your vehicle's chassis for grounding. Together, they create a closed loop to allow power to flow continuously.
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Which wire is hot when both are same color?

In most modern fixtures the neutral wire will be white and the hot wire is red or black. In some types of fixtures, both wires will be the same color. In this case, the neutral wire is always identified by some means. In some cases, there will be small writing on the wiring case.
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Is the black line wire positive or negative?

typically, the positive wire is red and the ground, or negative, is black. However, most speaker wires don't do colors.
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Which is the hot wire ribbed or smooth?

The ribbed side of the line cord indicates the neutral wire, the smooth side, the hot wire. If we are wiring a line cord plug, the ribbed wire would connect to the wider space or neutral space on the plug itself.
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What does black stripe on wire mean?

Black is generally used as an insulating electrical wire. Other colours are known as 'phasing tapes'. These colours indicate the voltage level and phase of the wire.
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Which wire is positive in 12v adapter?

The positive wire should be the one with the white stripe, and the negative wire should be black.
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Is red wire always positive?

(Often, but not always …) In the world of DC electronics, the accepted wiring convention is that the red wire carries the positive voltage, and the black is circuit ground. Usually the red is marked as + (plus) and the black is marked as – (minus).
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What happens if you connect a car battery the wrong way?

If the battery is in an inverted position, the battery positive cable will be connected to the negative terminal of the battery, and ground will be connected to the positive terminal of the battery. What will happen ? The current will flow from the ground to the battery positive cable.
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Can you jump a car with just the positive?

How to jump-start a car steps: Clamp the positive (red or yellow) cable to the positive terminal of the weak battery. Make sure the other end doesn't touch any part of the car's engine or body or you could get a dangerous spark. Clamp the other end of the positive cable to the positive terminal of the good battery.
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How do you tell which is load and which is line?

The line side of an outlet is where you connect the incoming source power. The load side is where the power leaves the device (or electrical box) and travels down the circuit.
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