Why is One Slot Longer Than the Other in My Electrical Outlet?

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The receptacle looks slightly different from the 15A outlet with a small horizontal slot branching of a vertical slot These are becoming popular as you don't

Buy Leviton 5000-I Duplex Receptacle T-SLOT Residential Grade 1-15R 15A 125V Side Wired T slot receptacles are 20 amp Straight blade are 15 amp Your question should be: where are 20 amp circuits required? My electrical

wow hoki slot That's a 240V 6-20 outlet It has one horizontal and one T-shaped slot The 5-20 has one vertical and one T-shaped, so this is definitely a 15 amp outlets are usually designed with two parallel slots and a half-rounded grounding slot On the contrary, 20 amp outlets have a T-shaped