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Ceiling fan light bulb size chart.
To determine a light bulb size use the full size scale shown calibrated in eighths.
An a19 light bulb is 19 eighths of an inch or 19 8 in diameter.
A room with up to 75 square feet can.
From top left to bottom right.
Ceiling fan blades range from 29 inches to 54 inches.
The american lighting association recommends the following guidelines for room and ceiling fan size.
Standard arbitrary a bulbs are the most widely used and thought of when it comes to household lighting.
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Place edge of the light bulb to be identified on the top end of the scale and measure the approximate diameter by reading the measurement at the opposite edge of the light bulb.
Unlike your household light bulbs intermediate base lights have a slightly smaller base.
Intermediate led bulbs for ceiling fans.