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No power? 4 essential precautions to reduce losses

Discover 4 essential precautions to protect your house, food, and appliances during power outages

By CASACOR Publisher

Submitted at Jan 2, 2026, 9:30 AM

05 min de leitura
vela-de-iluminacao-de-mao-vista-lateral

vela-de-iluminacao-de-mao-vista-lateral (Freepik/Divulgação)

Running without electricity is a situation that can happen at any moment, whether due to heavy rains, system failures, network maintenance, or overload. Although it is often temporary, power outages directly impact well-being, safety, and the domestic routine, causing everything from minor inconveniences to considerable financial losses.

electric energy; light pole; wires

(Frames For Your Heart/Unsplash/Divulgação)

Therefore, knowing how to act correctly during a power outage is essential. Some simple actions help preserve food, protect equipment, prevent accidents, and maintain comfort while the supply is not restored. Below, check out four essential precautions that make all the difference in these moments.

1. Properly preserve food


weiss architecture ape paulista casacor sp sao paulo 2022 kitchen cabinet refrigerator countertop

Weiss Arquitetura - Apê Paulista. Projeto da CASACOR São Paulo 2022. (Gabriela Daltro/Divulgação)

When the power goes out, the main concern is usually with the stored food in the refrigerator and freezer. To avoid waste, the primary care is to keep the doors closed for as long as possible. Each opening allows cold air to escape, significantly reducing the preservation time of food.

Open refrigerator

(Freepik/Divulgação)

In general, the refrigerator can keep food safe for up to six hours, while the freezer, if full, can maintain temperature for up to 24 hours. If the power outage is prolonged, prioritize the consumption of more perishable items and consider using coolers with ice. After power restoration, check the smell, appearance, and texture of food before consuming it.

2. Protect household appliances and electronic devices


460 m² house in Fortaleza designed for a couple with four daughters. Project by Romário Rodrigues. In the photo, kitchen with china cabinet and countertop.

(Leonardo Soares/Divulgação)

Another essential care during a power outage is the protection of household appliances and electronics. Abrupt drops and returns of energy can cause voltage spikes capable of damaging appliances such as refrigerators, televisions, computers, and microwaves.

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(JMC/Divulgação)

Whenever possible, unplug appliances from the outlet as soon as the power goes out. This simple action helps avoid burning the internal components when the supply is restored. Using power strips and surge protectors is also highly recommended, especially in regions where power outages are frequent.

3. Ensure lighting and safety inside the house


candle; blackout; power outage;

(Alice Kotlyarenko/Unsplash/Divulgação)

The lack of lighting increases the risk of falls, domestic accidents, and safety situations, especially at night. Therefore, it is important to have safe alternatives, such as flashlights, rechargeable lights, and emergency lights, which should always be kept in easily accessible places.

living-room-light-candles

(Pinterest/Divulgação)

Candles should only be used with great caution, as they pose a fire risk, especially in closed projects or with children and pets. In addition, keep an eye on the house's security, as automatic doors, alarms, and cameras may stop functioning. Keeping doors and windows tightly closed helps prevent problems.

4. Adapt your routine and take care of your well-being


House amid nature unites cobogós, glass, wood, and plenty of natural light

Casa em meio à natureza une cobogós, vidro, madeira e muita luz natural ( Fred Schueler/Divulgação)

Being without power also requires adjustments in your daily routine. During the day, make the most of natural light by opening curtains and windows to brighten the projects. At night, concentrating activities in one room helps save alternative lighting and makes the space more comfortable.

breakfast - book - reading - routine

(Rhamely/Unsplash/Divulgação)

Additionally, adapting your diet and daily rhythm is crucial. Prefer simple meals that do not rely on electric preparation, stay hydrated, and view the moment as a forced break. Reading, talking, or resting are alternatives that help reduce stress until power is restored.

CASACOR Publisher is a content creator agent, developed by the CASACOR Technology team based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.