A19 Bulb Socket Size

This is the classic shape that most people are used to when shopping for a light bulb.

A19 bulb socket size.

112 7 mm max length 69 5 mm max diameter. Daylight vs soft white. So an a19 is an a shape bulb and is 2 375 inches in diameter 19 divided by 8. The number designation in the code is usually the width of the bulb at its widest point designated in eighths of an inch.

For different bulb wattages different bulb size maximum dimensions are given. 60 mm wide at its widest point and approximately 4 3 8 inches 110 mm in length. Standard arbitrary a bulbs are the most widely used and thought of when it comes to household lighting. 1 888 455 2800 fax 1 508 363 2900.

The standard dimensions of an a19 bulb are governed in north america by the ansi c79 1 standards. Indoor and outdoor lighting. 112 7 mm max length 69 5 mm max diameter 50w type 206. In contrast to a19 referring to bulb head size e26 refers to bulb base size the base is the part that you screw to your light socket.

A further explanation of the light bulb base sizes you can look at the letter number references e12 e17 and e26 to help understand a bulbs base style and size. A19 refers to the shape and size of the lamp itself. A means random just the name of the shape that most of us are familiar with. The e stands for edison and the number refers to how many millimeters the base measures horizontally.

A19 bulb vs e26. In this case an e26 bulb measures 26 millimeters sideways. A19 led filament bulbs in ceiling fan fixture a21 led bulbs in bedroom lamps a19 gold tint led filament bulb in porch light fixture a19 led fireworks bulbs in string lights. Common sizes of the a bulb are a15 a19 and a21.

The following provides dimensions of a bulb socket which is helpful if you re trying to match the socket size of a bulb you already have. 108 mm max length 69 0 mm max diameter 40w type 211. A15 a19 a21 and a25 from top left to bottom right. 100 mm max length 68 0 mm max diameter 50w type 211.

19 refers to the size in this case 19 8 or 2 3 8 wide. You can use this handy image below to identify the size of your a shaped bulb. The most commonly used a series light bulb type is an a19 bulb or its metric iec equivalent the a60 bulb which is 19 8 in 2 3 8 in.