Quick Answer: Why Do Extension Cords Get Curly?

Is it safe to use a coiled extension cord?

An extension cord that is in use while coiled up or coiled in a reel can be a serious shock and fire hazard.

The heat produced from the resistance cannot dissipate and is instead trapped between the tightly coiled cable, leading to the a fire or shock..

Does the length of an extension cord affect the power?

There are two factors: cord length and thickness. The thicker the copper wire, the more electricity it can carry. However, because transmitted power diminishes over distance, longer extension cords require heavier wire to deliver the full current rating required by an appliance.

What does 12/3 mean on an extension cord?

Typically, outdoor extension cords will have a number on the packaging or in the listing that looks like this: 12/3. The “12” represents the gauge wire rating (or wire diameter), and the “3” means it has three wires (or conductors) inside.

Why do extension cords curl?

If the cord is actually twisted inside the plastic coating the cord is being used inappropriately. The cord is too long and too small a gauge to handle the load on it and it is heating up. This is commonly seen with electric lawnmowers and the cheap, cheap cords people use to power them.

How do I stop my cords from curling?

Bundled cables are more resistant to bends and bundling helps to avoid any stragglers that might end up crushed and twisted later on. Use Velcro or reusable zip ties to give yourself the flexibility to change things around later without having to break out the knives.