How can the socket take the LN line if it will be reversed?
L is the FireWire (logo letter "L" LiveWire);N is the zero line (the sign letter is "N" Neutralwire)
the ground in the upper left line N, right line of fire L. Poles (two holes) socket due to electrical plugs are non-polar, which can be. Switch must have a fire line.
For the 220V three-pole (three-hole) socket, the Chinese standard is to be wired after the face of the socket jack
