A defective or failing light bulb can occasionally represent a fire hazard, though the risk level depends entirely on the bulb type and installation context. Old incandescent bulbs generate extreme heat and can ignite flammable shades if wattage ratings are exceeded. Conversely, modern LED bulbs run much cooler, but a failing internal driver or poor socket contact can cause localized overheating or charring. You can troubleshoot bulb safety easily by checking wattage ratings on fixture labels. You can verify that your corrective action is successful when replacing old, high-wattage incandescent lamps with energy-efficient LED bulbs, ensuring correct wattage limits, and screwing lamps in tightly removes hidden fire risks.
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