_______________ fires are usually caused by loose contacts, frayed wire insulation, improper installations, faulty equipment, or overloaded circuits. Overloads can easily produce arcs, sparks, and heat that could ignite nearby combustible materials (such as wire insulation, plastic components, or wall insulation).

 _______________ fires are usually caused by loose contacts, frayed wire insulation, improper installations, faulty equipment, or overloaded circuits. Overloads can easily produce arcs, sparks, and heat that could ignite nearby combustible materials (such as wire insulation, plastic components, or wall insulation).

Electrical

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