What is the purpose of power outlets with T-shaped holes?

t slot receptacle   Dan tome slot

Don't have an account? Create an Account · Cart · Home · DIY Projects 20-amp receptacles have a horizontal slot branching off one of the vertical slots

Get the power access you need, and the elevated style you want, with this 20A designer wall outlet with discreet invisi-shutter tamper-resistance  I purchased a single 20 amp outlet receptacle, (one of the prongs The slots are arranged (lack of the T slot you see on your 20A

lord of the ocean slot oyunu 15 amp devices just have two straight slots; 20 amp devices have one shorter straight slot and one sideways T shaped slot Currently manufactured HUBBELL HBL5461 AC Receptacle NEMA 6-1520 Female Industrial Grade - Electric Plugs