When combating a class C fire, which of the following dangers may be present?

Correct Answer: Option A — Toxic fumes from burning insulation or electric shock

Class C fires involve energized electrical equipment. The primary hazards are the risk of electric shock to personnel and the release of toxic fumes from burning wire insulation or plastic components. Always de-energize the circuit before applying extinguishing agents to ensure safety and prevent further damage to the electrical system.