Using an extension cable on a reel

Question

Does an extension cable need to be completely unravelled from the reel when it's in use? I've read somewhere that it can melt.

Karolis · Accepted Answer

That is correct! It can melt when its not unreeled fully.

Connor · Answer

Depends what you’re plugging into it, anything with pulling a high load could cause melting

Nick · Answer

Yes they should be, unless it’s an extremely load being pulled then no it won’t melt

Benjamin · Answer

It’s safe practice to do it however, unless you are plugging in very high energy consuming units, it’s unlikely to melt.

Luke · Answer

Yes it is best to fully extend the cable as the build up of heat could cause the cable to melt and be a potential fire risk

Marcus · Answer

Yes it does need to be unwound as it will get warm. Electrician.

Ruyaa · Answer

Yeah its always safe to unwind the cable fully , to prevent overheating of the cable

Neil · Answer

Yes it's is true that they can melt if not unwound  fully. But it's also down to the load plugged into it.

A phone charger or a single table lamp is unlikely to make the unit overheat, but a heater or kettle will draw alot more power and when wound on the reel the power going through acts like a transformer and generates heat.

Best advice is always unwind them fully.

Using an extension cable on a reel

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