Practice - Earth Leakage Circuit Breaker (ELCB) / Residual Current Device (RCD)
Practice Questions
Test your understanding with targeted questions
What does an RCD protect against?
💡 Hint: Think about what would happen if electricity leaked.
Name one area in a home where RCDs are essential.
💡 Hint: Consider places that may get wet.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of an RCD?
💡 Hint: Think about what RCDs are used for in homes and industries.
True or False: ELCBs are more efficient than RCDs in preventing electric shocks.
💡 Hint: Consider how each device operates.
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Challenge Problems
Push your limits with advanced challenges
A household has an RCD with a 30mA trip sensitivity. Determine how this affects safety in the kitchen area with multiple appliances.
💡 Hint: Review the typical current levels and how much is safe.
Analyze the potential consequences of using an ELCB instead of an RCD in a modern home.
💡 Hint: Consider reliability in common household scenarios.
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Reference links
Supplementary resources to enhance your learning experience.