Hazards and Risks
Electric shock, burns, fire, arcing, secondary injury, overhead and underground services and environmental factors.
How to prepare for GNC1 and GNC2
Learn the principle, locate workplace evidence, explain the risk or duty, select proportionate controls and show how action will be owned and reviewed.
Core concepts
Concept 1
Electric shock, burns, fire, arcing, secondary injury, overhead and underground services and environmental factors.
Exam cue: Identify the workplace evidence, people exposed, hazard mechanism and applicable duty before selecting a control.
Concept 2
Identify voltage, energy source, contact path, condition, environment and people exposed.
Exam cue: Prefer elimination and engineered or collective protection before procedural controls and PPE, then verify effectiveness.
Concept 3
Low voltage does not mean no risk, especially in wet, damaged or high-current conditions.
Risk pitfalls and guardrails
Giving a generic hazard or control list without connecting it to the task, people and workplace conditions.
Guardrail: Do not give a generic control list without linking it to the task, people, environment, owner and verification method.
Treating a document, certificate, inspection or item of PPE as proof that the underlying risk is controlled.
Guardrail: Do not give a generic control list without linking it to the task, people, environment, owner and verification method.
Memory anchors
GNC 11.1 · Hazards and Risks
Electric shock, burns, fire, arcing, secondary injury, overhead and underground services and environmental factors.
Hazards and Risks · decision cue
Identify voltage, energy source, contact path, condition, environment and people exposed.
Hazards and Risks · evidence check
Low voltage does not mean no risk, especially in wet, damaged or high-current conditions.
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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