That would be a ring circuit¹). It's also the reason why UK plugs²) tend to be fused. ¹) https://en.wikipedia.org/wiki/Ring_circuit https://en.wikipedia.org/wi

That would be a ring circuit¹). It's also the reason why UK plugs²) tend to be fused. ¹) https://en.wikipedia.org/wiki/Ring_circuit https://en.wikipedia.org/wiki/Ring_circuit ²) https://en.wikipedia.org/wiki/AC_power_plugs_and_sockets:_British_and_related_types#British_three-pin_.28round.29_plugs_and_sockets https://en.wikipedia.org/wiki/AC_power_plugs_and_sockets:_Br...