That symbol means that the pin is the positive connection and the "C" shape is negative. You will need to find the right diameter plug as they can be different from one manufacturer to another. Also, look where you found the other info for a number in ma which is important.
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That symbol means that the pin is the positive connection and the "C" shape is negative. You will need to find the right diameter plug as they can be different from one manufacturer to another. Also, look where you found the other info for a number in ma which is important.