Motors are protected against mechanical movement injury, overload and overtemperature; transformers (including autotransformers and step-up) have rules for secondary circuits and supply; capacitors need discharge provisions; equipment with liquid dielectric has fire precautions; batteries have installation rules (2007 structure; 2018 text not held).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.