tldw: The original designer of US electrical plugs wanted to use the holes to lock the plug in place, but receptacles never had that feature. 100 years later, we're finally seeing reputable brands sell locking receptacles (Eg on extension cords)
tldw: The original designer of US electrical plugs wanted to use the holes to lock the plug in place, but receptacles never had that feature. 100 years later, we're finally seeing reputable brands sell locking receptacles (Eg on extension cords)