In ovens pilot lights are used to ignite the gas that heats the oven. The oven pilot light is located near the burner and is kept lit to ensure that there is a constant supply of gas. This allows the oven to heat up quickly when turned on. The oven pilot light requires regular maintenance, including cleaning the pilot light and ensuring it is lit properly. Similarly, the stove pilot light is found in gas stoves and is used to ignite the gas when the burner is turned on. The pilot light is located under the burner and stays lit, ensuring that there is a constant supply of gas.