Here is something I just thought of.
Not only would the size of the lamp matter but I just remembered that the air temp matters also. Believe it or not, the chance of fire is actually higher in colder temp because of the air density. I am not sure how much it changes the kindling temps of various things but it does make it easier to ignite kindlings like hay or small sticks.
there is also the chance of electrical fire which is much different than something catching on fire from the heat produced by a lamp. sparks from a worn or malfunctioning electrical item can produce temps over 500 degrees and that will ignite many things in an instant and would definitely ignite dry hay or paper.
so thats something to think about also. There are a lot of different variables to consider.
Not only would the size of the lamp matter but I just remembered that the air temp matters also. Believe it or not, the chance of fire is actually higher in colder temp because of the air density. I am not sure how much it changes the kindling temps of various things but it does make it easier to ignite kindlings like hay or small sticks.
there is also the chance of electrical fire which is much different than something catching on fire from the heat produced by a lamp. sparks from a worn or malfunctioning electrical item can produce temps over 500 degrees and that will ignite many things in an instant and would definitely ignite dry hay or paper.
so thats something to think about also. There are a lot of different variables to consider.