Section
Outage plans
Hurricane, winter storm and wildfire shutoff checklists, three-day outage plans by house size, and food safety numbers.
3 articles
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3-day power outage plan by house size: what to keep on, and how many kilowatt-hours that is
Four households, apartment to well-and-sump farmhouse, each with an essentials list in watt-hours a day and the battery class that covers three days.
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Power outage food safety: the USDA clock for the refrigerator and freezer, and what a battery buys you
USDA's windows for a closed refrigerator and freezer, the 40 F and two-hour discard rule, what refreezes and what does not, and how a battery moves the clock.
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Winter storm power outage plan: what to power, in what order, for how many days
A priority list in watt-hours: refrigerator, CPAP, phones and sump pump before anything that makes heat, with USDA food windows and three-day battery math.