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Electrical Safety and Hazards — OCR GCSE Combined Science A J250
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Combined Science
OCR GCSE Combined Science A
Global Challenges in Physics
Powering Earth
Electrical Safety and Hazards
OCR GCSE Combined Science A · J250
Electrical Safety and Hazards
What you need to know
Explain why a live wire remains dangerous even when a switch in the mains circuit is open.
Describe the severe dangers of creating any connection between the live wire and earth.
Explain how device insulation provides essential protection against these electrical hazards.
Revision notes
1
Electrical Safety and Hazards
5 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Mains Wiring and Functions
Next section: Practical Skills
Microscopy
