No entry
Code: P21
Do not enter
Code: P22
No admittance
Code: P23
No access
Code: P24
Authorised personnel only
Code: P25
No entry to unauthorized personnel
Code: P26
No unauthorized persons beyond this point
Code: P27
Do not touch
Code: P28
Do not drink
Code: P29
Do not operate
Code: P30
Do not touch men working
Code: P31
Unauthorized persons may not service machines
Code: P32
Do not carry out maintenance work on running machinery
Code: P33
Do not clean or oil this machine whilst in motion
Code: P34
Do not extinguish with water
Code: P35
Do not switch on
Code: P36
Do not switch off
Code: P37
No unauthorized person may touch this switch gear
Code: P38
No exit
Code: P39
Keep out
Code: P40