If you do have a fixture using international standards the good news is that the matching is very easy. Blue and yellow electrical wires while wires in these colors carry power they are not used in typical outlet wiring.
Electrical Wiring Color Coding System
Blue wire in light fixture. Blue wire is for the light if light is included with the fan. The box contains 3 white wires that are together 2 black wires that are together and a red wire and black wire that are together. The blue wire is the hot wire for the ceiling fan light fixture. One of the black and white wires goes to the light fixture. The ceiling fan motor does not have a ground wire. Brown is your hot wire so you want to connect that to your buildings black wire.
White wire is neutral. If the light can be turned on or off from switches at each. The blue is negative or return so that will go to white. Green with yellow stripe is the ground and will go to the building green. I am installing a light fixture in the bathroom and the light fixture contains a white wire a black wire and a yellowgreen wire. Guide to light fixture wiring connections.
Red wire is sometimes included and acts as a conductor to carry power to the light kit. Wiring a light fixture or new appliance. Dont be confused by the number of electrical wire colors you findweve got just the guide to help you decipher their color coding. Instead blue and yellow wires are used as the live wires pulled through a conduit. Green wire is for the ground. If the ceiling fan does not have a light fixture then.
For example you might see yellow wires as switch legs to ceiling fans structural lights and outlets paired with light switches. Most ceiling fans come pre wired for a light fixture whether it has a fixture or not. More about the blue ceiling fan wire. And when he hooked up his new light fixture he did what i would expect the majority of homeowners to dohe connected the white wire on the fixture to the white wires in the box. A friend was replacing a light fixture in his bathroom and ran into something confusinga red wire in the electrical box along with the usual black and white wires. Find the short green wire or the green ground screw on your ceiling fan hanging.
If your ceiling fan does not have a light fixture then you can either cap off the blue wire up at the ceiling fixture electrical box or connect is as described above. The other black and white wires are the electrical circuit for the switch.