Since your house wires are only white and black excluding the bare copper ground you are lacking the red wire to make up a 240 volt circuit. Identify the black positive wire on a ceiling light fixture.
Southwire 25 100 Black White Green Red Solid Copper Cable Wire 18 Awg 600v Ebay
Black white and copper wire. Power flows from the box to the outlet through the black wire and back to the box through the white one. Neutral common or return. The black and blue wires are called hot wires because they hold electrical current. Copper or green wire is the ground wire and keeps your fan from experience power surges. White wires are always neutral in 110 volt circuits but can be used as the second hot wire or switch leg in 240 volt applications and three way switches respectively. The white wire is your neutral wire the copper wire is the grounded wire and the black wire powers the fan.
The white wire goes by many names that all mean the same thing. Red wires are also hot wires. Sounds like your model requires a neutral connection as it is most likely rated as a combo 120240 volt oven based on the oven wire color code of black red and white. The ground wire is usually left bare but in some cases the ground wire color is green. As hot wires can be connected to each other a black wire can be connected to a red wire. The black wire is the hot wire that leads to the switch.
The white wire is always neutral and when the cable has only two conductors as most 120 volt cables do the hot wire is black. The white wire is neutral and completes the electrical circuit. If you have a blue and black wire hanging out from your ceiling you should also have 2 switches on your wall. Recognize that the black wire is the positive one the white wire is the negative one and the green wire is the ground. According to standards in use since the mid 1900s a wire color code identifies the purpose of each wire in an electrical circuit. The neutral wire can also be gray.
The switch also has a green terminal for the ground wires which usually are bare. The wires running to the element are black and white but the white wire is wrapped with red tape. Find the breaker in the main panel that. If you have a blue and black wire coming from your household circuit you should have two switches on your wall. Im confusedi thought white was always considered a neutral wire. When youre hanging a chandelier or any other ceiling light first find the 3 wires coming out of the hole in the ceiling where the light will go.
Knowing the purpose of each wire will keep you safe and your houses electrical system in top working order. Turn off the power to the circuit before you begin wiring the switch. Black white bare copper and other colors closely intermingle yet each one has a specific purpose. The black wire is hot.