According to the Standards of Practice, oven thermostats tested at 350 degrees F should be accurate within what range?

According to the Standards of Practice, when testing an oven thermostat at an oven temperature of 350 degrees Fahrenheit, the temperature should typically be accurate within a specific range to ensure proper cooking. While the exact range can vary depending on the guidelines set by industry standards or manufacturers, it is generally accepted that the thermostat should have a tolerance of plus or minus 25 degrees Fahrenheit. This means that if you set your oven to 350°F, the actual temperature inside the oven should be between 325°F and 375°F to be considered accurately calibrated and functioning within an acceptable range for most baking and cooking needs.

Different types of ovens and models may have unique calibration settings and tolerances, but this general rule of thumb helps to ensure that food is cooked thoroughly and safely. It is also recommended to occasionally verify the accuracy of your oven's thermostat with an oven thermometer, as ovens can drift out of calibration over time due to usage and wear.