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Thank you for your inquiry! The Insignia™ 3,000 mA 5’ Universal AC Adapter for High-Output Devices uses a positive tip polarity configuration. This means that the center pin (or tip) of the adapter’s connector carries the positive voltage, while the outer barrel is negative. This is a common polarity setup for many electronic devices, but it's always important to verify that your device also requires a positive tip to avoid any risk of damage. Using an adapter with the wrong polarity can potentially harm your device or prevent it from functioning properly.
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