LED lighting is becoming increasingly popular, not only at home but also in supermarkets and retail businesses. As summer approaches, temperatures will climb, as will the ambient temperatures in which LEDs are employed. Supermarkets and retail stores will be open for up to 12 heures, which means LED lights will be on for an extended period. Working long hours is bound to generate more heat, and some of the packaging on the shelves is flammable, so many retailers are concerned about the summer heat, LED lights on shelves, and the risk of fire if they work long hours. So this article will explore where the shelf light can cause fire in summer.