1. Q. How Long Does It Take to Preheat the Electric Oven for Baking?

A. From seven to fifteen minutes is usually required for preheating to a temperature of 350°F. (In one make of Range, two units provide correct baking heat and fast preheating to 400°F in less than seven minutes.)

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2. Q. How Can the User Determine When the Oven Has Reached the Temperature She Desires for Baking or Roasting?

A. This is easily determined by the oven signal light which goes out when the oven reaches the desired temperature.