expert warns against using extension cords with appliances

Adolfo Arranz

2 min read

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17-11-2024

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Improper use of extension cords poses significant fire and electrical hazards, expert cautions.

A leading electrical safety expert has issued a stark warning against the misuse of extension cords, particularly with high-power appliances. The practice, while seemingly convenient, significantly increases the risk of electrical fires and potential injury, according to Dr. Eleanor Vance, a renowned electrical engineer and safety consultant.

The Dangers of Overloading Extension Cords

Dr. Vance emphasizes that many individuals are unaware of the potential dangers associated with plugging high-draw appliances into extension cords. These appliances, including space heaters, hair dryers, and certain kitchen appliances, require substantial electrical current. When these devices are connected via an extension cord, particularly a low-gauge cord, the cord can overheat, leading to a dangerous situation.

Understanding Amperage and Wattage

The key to understanding this risk lies in comprehending amperage and wattage. Appliances are rated for both; wattage reflects the power consumed, while amperage represents the rate of electrical current flow. An extension cord has a maximum amperage rating. Connecting appliances exceeding this rating causes the cord to overheat, potentially melting the insulation and sparking a fire. Always check the amperage rating of both the extension cord and the appliance.

Choosing the Right Extension Cord

Dr. Vance recommends several key steps to mitigate risks:

• Check the amperage rating: Always select an extension cord with an amperage rating that exceeds the appliance's amperage requirements. A higher rating provides a safety margin.
• Use the right gauge: Thicker cords (lower gauge numbers, like 14-gauge or 12-gauge) can handle more current than thinner cords (higher gauge numbers, like 16-gauge or 18-gauge). High-power appliances necessitate thicker cords.
• Inspect for damage: Regularly inspect extension cords for any signs of damage, such as frayed wires, cracks in the insulation, or loose plugs. Damaged cords should be discarded immediately.
• Avoid daisy-chaining: Connecting multiple extension cords together (daisy-chaining) significantly increases the risk of overheating. This practice should be avoided whenever possible.
• Unplug when not in use: Always unplug appliances and extension cords when not in use to prevent accidental overheating and potential hazards.

Failing to adhere to these guidelines can lead to serious consequences, including electrical fires and potential injury or fatality. Dr. Vance stresses the importance of prioritizing safety when using electrical appliances and extension cords.