That is absolute BS - food is considered unsafe after the food itself spends 4 hours above 40*f, so the website you’re linking to assumes a fridge and everything in it immediately warms to 41+* upon losing power? Physics doesn’t work that way….
Anecdotally my parents had a fridge fail recently and the food heated up alarmingly quickly.
That is absolute BS - food is considered unsafe after the food itself spends 4 hours above 40*f, so the website you’re linking to assumes a fridge and everything in it immediately warms to 41+* upon losing power? Physics doesn’t work that way….