There shall be no leakage into the body where the back of lamp is in the trunk.
・ The inside surface of the lens of the reflex reflector shall be free of leakage and condensation.
Lamp with drain hole
・ There shall not be more than 2 ml of water inside, except at the water drain hole.
・ Water crept shall not drain over a bulb.
・ The inside of a lamp shall be one fourth to one third filled with water and there shall not be
more than 2 ml inside. If water is not drained, there shall not be more than 2 ml of water
inside after vibrating it.
Lamp with vent hole
・ There shall not be water leakage inside.