What Caused this Extension Cord to Melt?

Ever wondered why extension leads have two power or current ratings? In this video, we uncoil the truth by ignoring the manufacturer's instructions.

Using a plug-in electric vehicle charger as an example, we'll show you the potential dangers of disregarding power ratings.

This question was raised following our review of the Marcaddy retractable extension cords.
👉   • Retractable Cable Lead - An easy way ...  

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00:00 Why do extension leads have two power ratings.
00:46 Charging an electric vehicle with an extension lead
01:24 Extension lead thermal overload
02:04 Calculating the power loss in the extension lead
02:55 Thermal trip works!
03:16 Removing the thermal cutout
03:46 Meltdown
04:48 Extension lead teardown!
05:44 Cable grouping factors
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#extensionlead #extensioncord #evcharging