Question about light bulb watt and lamp maximum watt

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I got a lamp that listed out the limitation of the watt as Max 60W E27 (Max 60W Incan ~ Max 42W Halo ~ MAX 10W LED). At the beginning I only think that max watts of the lamp is 60W then I purchased and used a fluorescent Philips bulb at 32W for more than 6 months. Now I want to change to the higher lumen bulb and notice about the warning “Max 60W Incan ~ Max 42W Halo ~ MAX 10W LED”. I am not quite sure is that possible for me to use a LED bulb at 18W or as long as I am not exceed the 60W limitation OR I have to follow their warning like LED bulb has to be 10W? Thanks

In: Engineering

3 Answers

Anonymous 0 Comments

Incandescent bulbs are made of glass and steel and happily run at very high temperatures. For them, the 60 W limit is there mostly to avoid setting fire to the light fitting.

LED bulbs work using a bunch of semiconductors which are much more heat sensitive. For them, the 10 W limit is to allow them to stay cool enough. If you use a higher wattage LED, expect a short life span and, if you go too high, the bulb itself could catch fire.

Anonymous 0 Comments

Your lamp’s warning confuses the hell out of me. Warning labels have to do with the amount of heat an incandescent bulb at that wattage will put out. An LED bulb puts out negligible heat compared to an equivalently-bright incandescent, so why your lamp specifies 10W LED is beyond me.

I would say that you’re safe to use whatever wattage-equivalent of LED bulb you like, so long as it doesn’t use more than 60W.

Anonymous 0 Comments

Simply said, 60W is maximum heat that lamp can hold (dissipate). Anything less than that, you are good. I don’t see a reason of printing LED equivalent, except for you to know when you go to buy it (so lighting is similar).