This means you can put a low-current plug (small ground pin) into a high-current socket (large ground slot), but not the other way around.
Only downside I've found so far is that you can't use a high-current-rated extension cord to plug a low-current appliance into a low-current socket.
This means you can put a low-current plug (small ground pin) into a high-current socket (large ground slot), but not the other way around.
Only downside I've found so far is that you can't use a high-current-rated extension cord to plug a low-current appliance into a low-current socket.