A luminaire is rated for a maximum of a 60 watt lamp. If a 100 watt lamp is installed, what might happen? Select one: a. the lamp will not last as long as it should because of the excessive voltage b. the luminaire may overheat and cause a fire c. the lamp will not be as bright because of the lower rating of the luminaire d. all of these

To analyze the problem, we need to consider the implications of using a lamp that exceeds the luminaire's rated maximum wattage. 1. **Known Conditions:** - The luminaire is rated for a maximum of 60 watts. - A 100-watt lamp is installed instead. 2. **Potential Consequences:** - **Excessive Voltage:** Using a higher wattage lamp can lead to increased voltage, which may shorten the lamp's lifespan. - **Overheating:** The luminaire is not designed to handle the heat generated by a 100-watt lamp, which can lead to overheating and potentially cause a fire. - **Brightness:** The lamp may not be as bright due to the luminaire's lower rating, but this is less likely since a higher wattage lamp typically produces more light. 3. **Evaluating the Options:** - **Option a:** The lamp may not last as long due to excessive voltage. This is a possibility. - **Option b:** The luminaire may overheat and cause a fire. This is a significant risk. - **Option c:** The lamp will not be as bright because of the lower rating of the luminaire. This is misleading; a higher wattage lamp generally produces more light. - **Option d:** All of these. This option suggests that all previous statements are true. Given the analysis, the most accurate answer is: **b. the luminaire may overheat and cause a fire.** However, since option d includes all possibilities and acknowledges the risks, it is also a valid choice. Therefore, the best answer is: **d. all of these.**