Generally, the leading wire of the left box corresponds to the negative pole, and the right side corresponds to the positive pole, but this depends on whether the module is placed vertically or horizontally, so you must look for the laser-engraved marking next to the cable.
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The negative pole (usually marked with a "-") collects electrons, while the positive pole ("+") releases them into the circuit. Reverse the connections, and your system won't just underperform—it could damage inverters or batteries.
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The *negative pole* (usually marked with a "-") collects electrons, while the *positive pole* ("+") releases them into the circuit. Reverse the connections, and your system wonâ€TMt just underperform—it could damage inverters or batteries.
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Red wires represent positive terminals, while black or blue wires denote negative terminals. This color distinction aids even those with minimal technical expertise in conducting accurate checks.
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