AVO Substation Maintenance II Practice Test 2025 – Comprehensive All-in-One Guide for Exam Success!

Question: 1 / 400

What is one of the risks associated with poor insulation in substations?

Increased operating temperature

Higher electricity tariffs

Electrical faults

Poor insulation in substations significantly increases the risk of electrical faults. Insulation serves as a critical barrier that prevents unwanted electrical currents from escaping their designated paths. When insulation degrades, it can lead to short circuits, arcing, and grounding issues, all of which pose substantial risks not only to equipment but also to the safety of personnel working in or near the substation. Electrical faults can result in power outages, equipment damage, and potentially hazardous conditions, making proper insulation a key factor in substation reliability and safety. Ensuring effective insulation maintenance helps to mitigate these risks and maintain safe operational conditions within substations.

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Reduced employee productivity

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