What are the causes for electrical equipment to fail?

asked 15 Nov, 04:41

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KnowledgeBase
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  1. Heat - increases the resistance of the circuit thus increases the current which cause the material to expand, dry out, crack, and wear down much quicker and sooner or later the device will breakdown.
  2. Molsture - makes circuit to draw more current and eventually breakdown. Moisture like water and liquids cause expansion, warping and abnormal current flow or short circuit.
  3. Dirt and other contaminants - such as fumes, vapors, grease, oils etc that cause electrical device to clog or gum up and operate abnormally until breakdown
  4. Vibration - and physical abuse can cause also these types of breakdown
  5. Poor Installation - which often work of unqualified personnel who is careless or in a hurry can cause also breakdown soon.
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answered 15 Nov, 04:45

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cheng
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