It depends on the chandelier. Some use one standard bulb with a fairly high wattage. Others use several bulbs, often candelabra bulbs, with a lower wattage. In that same vein, some chandeliers put out a fair amount of light while others are only for accent lighting.It is essential that you adhere to the manufacturer’s recommendations when selecting bulbs. Using the wrong bulb could not only produce excessive heat and glare, but it could also damage the chandelier.