I don't really have anything direct to add to this subject but I do have to mention that even for <60v sometimes there are still official or unofficial regulations on access to it for firemen related safety too
cue an example photo (from nearby-from-me ottawa's pubic transport system) I could find to use for now;
see the little yellow label shortly behind the rearmost wheel? thats basically a symbol meaning "battery head in there >>>" which is a small flap that can let one quickly isolate the battery (and then open the bigger catch-all panel itself to physically junk the battery out if somehow necessary)
cue an example photo (from nearby-from-me ottawa's pubic transport system) I could find to use for now;
see the little yellow label shortly behind the rearmost wheel? thats basically a symbol meaning "battery head in there >>>" which is a small flap that can let one quickly isolate the battery (and then open the bigger catch-all panel itself to physically junk the battery out if somehow necessary)