Division 5.4

The hydrogen gas discharge from pressure relief device shall not be directed:

1. (a)

   towards exposed electrical terminals, exposed electrical switches or other ignition sources;

2. (b)

   into or towards the vehicle passenger or luggage compartments;

3. (c)

   into or towards any vehicle wheel housing;

4. (d)

   towards any class 0 component;

5. (e)

   forward from the vehicle, or horizontally from the back or sides of the vehicle.