This plug has two round holes, but most people don’t know their clever purpose.

A Secure Fit for Enhanced Safety

The primary function of these holes is to provide a secure fit when the plug is inserted into an electrical outlet. Inside the outlet, there are raised metal ridges that perfectly align with the holes on the plug prongs. When you insert the plug, these ridges slot into the holes, creating a firm and stable connection. This secure fit significantly reduces the risk of the plug accidentally slipping out, which could lead to sparks, electrical arcing, or even potential fire hazards.

Child Safety: A Priority Design

Beyond their practical application, these holes also play a vital role in child safety. By allowing the prongs to sit deeper into the outlet, the holes make it more difficult for curious children to tamper with the plug or insert foreign objects into the outlet. This design feature helps prevent accidental shocks and injuries, providing an extra layer of protection for young children.

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