There are similar cords designed for RVs, yes, but they don't have multiple outlets nor do they have the right outlets. This is purpose built. Trust me, if i could have just grabbed that off the shelf, I would have.
yeah no issues..just thought the thread was important for various options...stuff like this exists..had more then 1 person say they had no options ..and used to have
the links to post them to such adapters (even if temp use say till they got an electrician in for their miner arrival)
your setup looks just fine to me! by the by
anyway..options options