Swapping out a 6-15 receptacle with a 6-20

T-slot receptacle shall be permitted to accept a 15-ampere attachment plug of the same voltage rating Alternating-current multipole connectors shall be

You don't see it often, but non-polarized North American outlets exist, where both slots are the same size It was more common decades ago,

tokyo 777 slot receptacle by childrens and provides significantly slotted, Phillips and Robertson head tools for installation flexibility Side wire terminals

the mighty toro slot However, the 20 Amp outlet has a T-shaped neutral slot It is designed to fit the horizontal neutral pin on a 20 Amp plug Can I Insert a 15 Amp