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 ...  

==================================
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
==================================

#extensionlead #extensioncord #evcharging