1
Table 7.4.1 Meaning colours for coding General principles
Meaning
Colour Safety persons
or environment
Conditions process State equipment
RED Danger Emergency general meaning
YELLOW Caution Abnormal general meaning
GREEN Safe Normal general meaning
BLUE Mandatory significance
WHITE
GREY
BLACK
No special meaning assigned
7.
.2 to
7.4 Table 7.4.4.4. 7.SAFETY SYMBOLS AND SAFETY IDENTIFICATION FOR USE ELECTRICAL EQUIPMENT
72
7.
Colour Meaning Explanation Action Examples of
the operator other persons application
RED Danger Dangerous
situation or
imperative order
Immediate
response deal
with dangerous
situation
Escape stop Prohibited entry
YELLOW Caution Out order
Faulty situation
Permanent or
temporary risk
(e.
Table 7. accessibility
to live moving
parts)
Intervention to
prevent a
dangerous
situation
Evacuation or
restricted access
Restricted access
GREEN Safe Indication a
safe situation
Safe proceed
Way clear
No action
demanded
No action
demanded
Escape route
BLUE Mandatory Indication a
need for
mandatory action
Mandatory action Mandatory action Mandatory route
WHITE
GREY
BLACK
No specific
meaning
assigned
General
information
No action
demanded
No action
demanded
Explanation of
route
*) Persons who are the vicinity the plant process, but who are not themselves operators.4.2 gives the meaning colours indicating devices with respect the safety of
persons and/or environment.4.2 Meaning colours indicating devices with respect the safety persons *),
property and/or the environment.4.1 Indicating devices
The meaning colours used for coding indicating devices shall given Tab. Coding indicating devices and actuators colours (IEC 73)
The general principles for the meaning colours for the coding information electrical
equipment are given Table .4.g
