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Hello. Cooking foods in a toaster oven for an extended period of time can cause heat transfer to not only the internal oven walls and floor, but to the external cabinet, as well. In addition to the heat that is generated outward from the food being cooked, the oven interior lamp and the magnetron tube will also contribute to external heat transfer. This is normal. The exterior case may have symbol (triangle with waves) stamped in the metal. This symbol means "Caution, hot surface". The external temperature may also vary depending on depending on the type of food prepared and the length of the cooking time. We hope this information helps. Mary II Insignia Products Customer Service
Sorry, there was a problem. Please try again later.Hi I never seen a Toaster Oven in a RV Trailer. and they do get hot. i wood not use it in there unattended.
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