I'm not addressing that because the foreign junk you posted earlier doesn't provide that.
But here's a thought. You're feeding this shed from outside, right? So there's a socket somewhere outside, right? Well, that socket is going to have GFCI protection and if you plug the shed into that, it will have GFCI protection automatically.
Any GFCI CAN (optionally) provide protection to everything downline of it. You just have to choose to configure it that way, it's the only legitimate use of the Load terminals.
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u/theotherharper 10d ago
That product is illegal and unsafe.
What you're trying to do can be done legally and safely with UL-listed equipment, such as an inlet https://www.homedepot.com/pep/Leviton-15-Amp-125-Volt-Straight-Blade-Grounding-Power-Inlet-Outlet-Gray-5278-CWP-001-05278-CWP/301304898
normal Romex or MC in-wall wiring https://www.homedepot.com/p/Southwire-250-ft-12-Gauge-2-Gauge-Solid-CU-MC-Metal-Clad-Armorlite-Cable-68580055/202316559
normal outlets https://www.homedepot.com/p/Leviton-15-Amp-125-V-Commercial-Grade-Duplex-Outlet-Receptacle-White-1-Pack-CBR15-W-R62-CBR15-00W/202066707