They are covered by the other NEC (NASA Electrical Code), or the SEC (Space Electrical Code), or maybe the OVEC (Orbital Vehicle Electrical Code), or maybe the SSEC (Space Station Electrical Code), or maybe even the IGEC (InterGalactic Electrical Code) or the AEC (Astronautical Electrical Code), or the OEC (Orbital Electrical Code)..
You don't enforce "Up Is On", you enforce In Is On, with push/pull breakers.