WASHINGTON, Oct. 30 (UPI) — During a energy outage, an apparatus thermometer is useful to exam a heat of food in a fridge and freezer, U.S. health officials said.
Officials during a U.S. Food and Drug Administration pronounced in box of a energy outage, a apparatus thermometers will prove a temperatures in a fridge and freezer to assistance we establish if a food is protected — a freezer heat should be during or next 0 degrees F and a fridge should be during 40 degrees F or below.
If a energy does go out, keep a fridge and freezer doors sealed as most as probable to say a cold temperature. A fridge will keep food cold for about 4 hours if it is left unopened.
A full freezer
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Source:
http://www.news.ezonearticle.com/2012/10/30/food-lasts-4-hours-in-refrigerator-if-there-is-no-power/
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