What is the national security color and what is its meaning?

Chinese national standard GB 2893-82 stipulates that red, blue, yellow and green are safe colors.

Its meaning and use:

1, red: indicates prohibition and stop, and is used for prohibition signs, stop signals, emergency brake handles on vehicles, etc.

2. Blue: indicates the instructions and regulations that must be observed, and is generally used for instruction signs;

3. Yellow: indicates warning and attention, and is used for warning signs, traffic lanes, etc.

4. Green: indicates the safety status and traffic, and is used to indicate signs, pedestrians and vehicles.

Safety color is the color that expresses safety information, indicating prohibition, warning, indication, prompt, etc. Proper use of safety colors can make people respond to objects and environments that threaten safety and health as soon as possible; Quickly find or identify safety signs and get timely reminders to prevent accidents and dangers.

Expand the safety color of data power work;

Safety color is the color that indicates the meaning of safety information. The use of safety color can make people's sensory adaptability form and be fixed in long-term life, which is good for life and work. The purpose is to make people quickly find and identify safety signs through bright colors, remind people to pay attention and prevent accidents.

In practice, other colors (that is, contrast colors) are often used as the background colors of safety colors to make them more eye-catching and improve the discrimination of safety colors. For example, red, blue and green take white as the contrast color, and yellow takes black as the contrast color. Yellow and black stripes have good visibility and are generally used to warn of danger, while red and white intervals are often used to mean "no crossing".

According to the relevant regulations of power industry, the color of substation bus L 1 is yellow, L2 is green and L3 is red. When the equipment is running, the flashing green signal indicates that the equipment is ready for operation, and the red signal lamp indicates that the equipment is running, reminding the staff to concentrate and pay attention to safe operation.

References:

Baidu Encyclopedia-Safety Color