Wham Cam Wham Cam: Holes in electrical prongs? Click, laugh, learn! More Videos Next up in 5 Example video title will go here for this video Next up in 5 Example video title will go here for this video PENNSYLVANIA, USA — Have you ever noticed why electric plugs have holes in their prongs? Joe wanted to see if anyone has the answer in this week's Wham Cam. Related Articles Wham Cam: Why is it called a 'grocery' store? Wham Cam: Jersey Shore, Pennsylvania? Wham Cam: Largest roaming land animal in North America? Want more Snedeker? Check out Wham Cam on YouTube. Close Ad