Safety Signs and Signals
Meaning of prohibition, warning, mandatory, safe-condition and fire signs, plus banksman and alarm communication.
How to prepare for a CITB Specialist test
Lock in common site safety first, confirm the exact route with the card scheme, then add the relevant specialist hazards and competence boundaries.
Core concepts
Concept 1
Shape, colour, symbol and context communicate whether a sign prohibits, warns, requires action or identifies safe conditions or fire equipment.
Exam cue: Read the sign before entering or starting the task and follow the required action.
Concept 2
Signs reinforce risk controls but do not replace guarding, isolation, barriers or a safe system of work.
Exam cue: Stop if a signal is unclear, conflicting or the signaller is lost from view.
Concept 3
Standard signals and one clearly identified signaller reduce ambiguity during vehicle, plant and lifting movements.
Exam cue: Report missing, obscured or misleading signs and barriers.
Risk pitfalls and guardrails
Treating a warning sign as the only control for an accessible danger.
Guardrail: Do not mix specialist routes or replace an engineered, competent control with a briefing, warning sign or PPE alone.
Guessing a hand signal during a blind movement.
Guardrail: Do not mix specialist routes or replace an engineered, competent control with a briefing, warning sign or PPE alone.
Ignoring a temporary sign because the permanent route is familiar.
Guardrail: Do not mix specialist routes or replace an engineered, competent control with a briefing, warning sign or PPE alone.
Memory anchors
Red Circle Prohibits
A red circular sign generally tells you what must not be done.
Blue Circle Requires
A blue circular sign generally states a mandatory action.
Yellow Triangle Warns
A yellow triangular sign alerts you to a hazard.
Green Means Safe Condition
Green rectangular or square signs identify escape, first aid or other safe conditions.
Sign Supports Control
A symbol cannot replace physical protection or isolation.
Signal Lost, Movement Stops
Do not continue a directed movement without clear communication.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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