Leaving a residential kitchen oven running overnight at standard baking temperatures is generally unsafe and poses a serious fire hazard, though most modern ranges feature an automatic 12-hour shut-off feature that turns the heating elements off independently. However, older ranges lack this safety feature, meaning prolonged operation can overheat surrounding cabinetry, dry out internal components, and consume excess electricity. You can troubleshoot continuous operation safety by checking your model specifications. You can verify appliance safety when inspecting the oven interior, checking surrounding wood trim for heat damage, and confirming that turning the control knob to the off position secures the kitchen.
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