Normal
here some details about that power cable coming with the taobao case:the IEC connector which plugs into the PSU is covered by some (non- UL) acrylic pieces which burn pretty goodthe IEC connector itself is UL approved and self extinguishing as it should bethe wire is about 1.5mm in diameter / 2.0mm² which is totally fineisolation is pretty thin but hard to damage under normal circumstancesI tested the isolation and stopped at 2.5KV which is totally finehope this helps making your purchase decision...
here some details about that power cable coming with the taobao case:
the IEC connector which plugs into the PSU is covered by some (non- UL) acrylic pieces which burn pretty good
the IEC connector itself is UL approved and self extinguishing as it should be
the wire is about 1.5mm in diameter / 2.0mm² which is totally fine
isolation is pretty thin but hard to damage under normal circumstances
I tested the isolation and stopped at 2.5KV which is totally fine
hope this helps making your purchase decision...