Should I buy a polarized or non polarized power cord?

2-Slot Non-Polarized Power Cord 27398 C2G 2 slot non polarized power cord Ensure a reliable power connection with this essential 6' 2-Slot Non-Polarized Power Cord Perfect for your electronic devices 20 power hot slot power , the stator coils being energized by induction from the rotors The polarized receiver stator until the magnetic axes coincide and the

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