Please be more specific, professional / competitive, safety first
The old rule - - yellow green line, E ground wire in the middle of the slightly longer -------L, zero line, blue line, --------N FireWire red line - the key yellow green line, E ground wire to distinguish OK
Red line, fire line, blue zero line, double color line, earth wireAll in all, just connect the two colored wires to the ground wire.
The line is red, and the zero line is blue. The ground wire is yellow green. Three phase socket, generally on the left, zero, right fire. We usually call a wire with a current difference of 120 degrees as a live wire. The three tails of three-phase electricity are connected together and called "zero line"". The ground wire is the wire that connects the outer shell of the appliance to the earth
