Safety signs

There are four types of safety signs.
Prohibited sign Mandatory sign Warning sign Safe sign

Prohibition sign – a sign prohibiting behaviour likely to increase or cause danger (eg ‘no access for unauthorised persons’)

Prohibited Sign

mandatory sign – a sign prescribing specific behaviour (eg ‘eye protection must be worn’);

Mandatory Sign

warning sign – a sign giving warning of a hazard or danger (eg ‘danger: electricity’)

Warning Sign

Emergency escape or first-aid sign – a sign giving information on emergency exits, first aid, or rescue facilities (eg ‘emergency exit/escape route’

Safe Sign