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The number of switches does not affect the amount of electricity you have, the key is that you use the lamp for a long time, it is best to buy lights, buy LED light sources, save energy, save electricity, and protect the environment.
The ballast is broken, just replace one!
You just buy the lamp and hand it over to the ceiling installer, but you may have to pay the shop worker for the purchased lamp. If you're buying a lamp for a suspended ceiling, then you don't have to think about it.
Under normal circumstances, the ceiling light used in the bathroom is between 10W-15W. >>>More
If the switch and the light are just installed, it must be a short circuit due to a wiring error, if it has been normal before, and it suddenly appears, it is a short circuit circuit board of the ceiling lamp.
Generally, 10W and 12W are used, depending on how big your kitchen and bathroom area is.