Division 3.8.1

To prevent electric sparks:

1. (a)

   electrically operated devices containing hydrogen shall be insulated in a manner that no current passes through hydrogen containing parts;

2. (b)

   the electrical system of the electrically operated device shall be insulated from the body of the vehicle;

3. (c)

   the electric circuit insulation resistance (batteries and fuel cells excluded), shall exceed 1 kΩ for each volt of the nominal voltage.