how much electricity does 100 christmas lights use

That's a great question! The amount of electricity used by 100 Christmas lights depends on a few factors, including the type of lights and their wattage. If we assume that we're talking about traditional incandescent Christmas lights, then each light typically uses about 5 watts of power. So, if we have 100 Christmas lights, that would be 500 watts of power. If we're talking about LED Christmas lights, they're much more energy-efficient and use much less power. A typical LED light uses about 0.5 watts, so 100 of them would use only