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The main difference between a two-prong and a three-prong extension cord is the presence of a grounding prong in the three-prong cord. This grounding prong provides an extra level of safety by redirecting excess electricity away from the user in case of a short circuit or electrical fault. The grounding prong also helps prevent electrical shocks and fires. In contrast, a two-prong extension cord lacks this grounding feature, making it less safe for use with certain appliances and in certain environments.

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4mo ago

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