BS EN ISO 13297:2021+A11:2023 ISO 13297:2020+A1:2022
c) Polarization transformer system with a single phase 230 V input and a 230 V output, and generator illustrating the use of main AC grounding bus and RCD/shore power disconnect breaker
d) Single phase 230 V system with shore grounded (blue) neutral and grounding (green) con- ductors, and RCD