Learning objective

Identify the dangers associated with: (a) damaged insulation (b) overheating of cables (c) wet environments (d) excessive current due to overloaded plugs, extension leads, and sockets when connected to mains power.

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Exam focus

Cambridge IGCSE Combined ScienceElectricityCore content

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Quick explanation

This point belongs to Electrical safety, especially Electrical safety outcomes.
You need to be able to identify the dangers associated with: (a) damaged insulation (b) overheating of cables (c) wet environments (d) excessive current due to overloaded plugs, extension leads, and sockets when connected to mains power.
The key ideas to know are State.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

State

Why it matters

This objective helps connect Electrical safety outcomes to exam-style questions, flashcards, and revision notes for Electrical safety.

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Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 3Theory (Core)4 marks

Description

Consider the following electrical hazards: damaged insulation, overheating cables, wet environments, and excessive current from overloaded plugs.

a
Identify List the dangers associated with each of the following: damaged insulation, overheating cables, wet environments, and excessive current.
Your answer
Aim for approximately 4 distinct marking points.
[4]

Revision notestopic notes

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