The ceiling of a ceiling light is of general size
And the size of the wattage for the 70 w lamp also has two kinds, one is opening, width is 205 * 110, height is 205 a; The other is 180 * 137 opening, width, height of 220. Then there is the lamp wattage for Max300W, the size of openings and width 150 * 287, 391. Then there is the lamp wattage for Max300W, the size of openings and width 150 * 287, 391. And Max120W shoots the size of openings, 130 * 220, wide and high is 309. The size of the lamp for 35 w generally has two kinds: the first is a opening, width is 205 * 90, the size of the high of 170. Usually shoot the lamp to the size of holes to 45 mm, 50 mm, 55 mm, 60 mm, 65 mm and 70 mm, 75 mm and 80 mm, 90 mm and 100 mm.
The first is the difference between the different wattage specifications: on the one hand the size of the lamp for 35 w generally has two kinds: The first is a opening, width is 205 * 90, the size of the high of 170; The second is opening, width is 243 * 106, the specifications of the high of 198. And 20 w lamp is generally only one, that is opening, width is 235 multiplied by 106, the specifications of the high of 198. A third type of even 50 w to shoot the light, the size of the gas is opening, width 235 * 106 plus 198.
