Regulations on the installation of sign boards at the rear of fire engines

Fire engines with a total mass greater than or equal to 12000 kg shall be provided with sign plates at the rear of the vehicle.

A group of sign plates at the rear of the vehicle consists of one, two or four sign plates with retro reflective and fluorescent materials, with a total length of not less than 1130 mm and not more than 2300 mm. The shape of the group of sign plates shall be in pairs. During installation, the lower edge of the tail sign board shall be no less than 250 mm above the ground, and the upper edge shall be no more than 2100 mm above the ground, as shown in Figure 13-16.

Under the premise of normal use, the sign board at the rear of the vehicle shall be able to maintain the function of the fire truck and work continuously; The components of the sign board shall not be easy to disassemble, and the way of fixing on the rear of the vehicle shall be stable and lasting. For example, if screws or rivets are used for fixing, the external surface of the fire truck shall be easy to clean, the surface shall not be rough, and there shall be no protrusions that hinder cleaning. In addition, there shall be no design or manufacturing defects affecting its function.