Power tools lead wire color yellow green double color line should be used as what line?
Two single color is the power line, FireWire zero line any one can.The Yellow / green double color line belongs to the safety grounding wire, avoids the operator to get the electric shock danger.
Safety ground wire.Usually electric tools (drill, angle grinder, electric hammer, electric drill, electric tools, grinders, etc.) using single-phase alternating current of 220V, is a three pin plug.
