A light over top of a set of stairs works some of the time but not always. What could be a possible reason for this fault?

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Prepare for the Independent Electrical Contractors (IEC) Year 4 Exam. Access flashcards, multiple choice questions, and detailed explanations. Enhance your readiness and achieve your certification!

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A light over top of a set of stairs works some of the time but not always. What could be a possible reason for this fault?

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