The minimum required creepage distances over an insulating material between electrically conducting parts in apparatus, especially between parts with a high voltage and parts that can be touched by human users, is dependent on the insulators CTI value.
12.
In analysing the dynamics of wheelsets and complete rail vehicles, the contact forces can be treated as linearly dependent on the creep ( Kalker's linear theory, valid for small creepage ) or more advanced theories can be used from frictional contact mechanics.
13.
His interpretation of RS and V is that " page-cites " are " required ", which as per my other comment about that below, is " NOT " what WP : V or WP : RS say; he's extrapolating and projecting instruction creepage with his personal " synth " of what he claims the guideline says " but doesn't ", and then being all wiki-cop about it saying he'll delete anything that doesn't have a page cite.
