What might be a consequence of under-sizing insulation for electrical wiring?

Under-sizing insulation for electrical wiring can lead to possible overheating and failure because insulation serves multiple critical purposes, including containing the heat generated by electrical currents. When insulation is insufficient, it cannot effectively dissipate heat, resulting in excessive temperatures. This can increase the risk of insulation breakdown, leading to short circuits, potential fires, or damage to the wires themselves.

Inadequate insulation does not enhance efficiency, improve safety, or enhance insulation effects. In fact, it creates a hazardous condition that compromises the electrical system's integrity and safety. Therefore, ensuring the appropriate size and quality of insulation is vital for the safe and reliable operation of electrical systems.