Question

6) Why should the insulation of wires be checked periodically?​

Answer 1

Answer:

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$\huge{\bold{\red{⇻}}}$Insulation is subject to many elements that can cause it to perform at a less-than-acceptable level. Excessive heat or cold, moisture, vibration, dirt, oil, and corrosive vapors can all contribute to deterioration. For this reason, routine insulation testing is necessary.

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