The problem with connecting wires to the engine
The plug burned out, it is not clear which wires and how to connect. Brown, blue, yellow-green and black come out of the engine via cable, but black is soldered with red at the entrance to the engine.
Alexander.
Expert Answer
Good afternoon, Alexander!
In most countries of the world, the following color codes are accepted for connecting electric power units of alternating and direct current:
- black, blue or blue color - zero or negative wire;
- red or brown - phase or positive conductor;
- yellow wire with a green stripe - ground wire or ground.
In any case, you can easily find the connection points for the windings of the electric motor using the simplest multimeter (tester). To do this, measure the resistance of each possible pair of conductors. Those between them, between which the device will show resistance of tens of Ohms, are the points of connection of the electric network. Between the ground (yellow-green wire) and any other conductor there must be an infinitely large resistance (it can only be measured with a megohmmeter) - otherwise a low resistance indicates a breakdown in the insulation of the motor winding.
