Yes, you can dim the ceiling lights. But for that, you need to use dimmer switches. Another option is to use smart lights. Smart lights allow homeowners to control the level of brightness through an app on their phone. These can also be directed via Google Home and Alexa.

Installation of ceiling lights: Switch off the power supply without fail. Now, remove the old fixture and take it out. Connect wires of the new light to exposed wires in the ceiling. Ensure same coloured wires are connected to each other. Attach the fixture, put back the cover, and turn on the power. However, the best thing to do is to call an electrician and let them handle this task.

There is a lot of flexibility in wattage of ceiling lights. It should ideally depend on the size of the room. In a medium-sized room, the wattage between 60 watts and 100 watts is acceptable.

Yes, the IP rating is important. It should be given due attention when thinking of lights for wet or moist areas, such as the bathroom and the kitchen. The IP rating corresponds to the amount of resistance of the light from damage due to moisture. As such, the higher the rating, the better it is.

You can only use dimmer switches on light compatible with them. If your lights are compatible with dimmer switches, do the following - turn off the power and take out the regular wall switch. Replace it with the new dimmer switch, and switch the power back on. Be careful with the wires when connecting them. If possible, let an electrician do it. They are trained for such work.