I believe only the extension cord has grounding, not the adapters that plug on to the power supply. US version: https://www.apple.com/shop/product/MK122LL/A/pow

I believe only the extension cord has grounding, not the adapters that plug on to the power supply. US version: https://www.apple.com/shop/product/MK122LL/A/power-adapter-extension-cable https://www.apple.com/shop/product/MK122LL/A/power-adapter-e...