Fluorescent Light Bulb Sizes Length

1 888 455 2800 fax 1 508 363 2900.

Fluorescent light bulb sizes length. For pricing and availability. Linear fluorescent tubes are the most common type of fluorescent lamps. Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number. Shapes sizes and bases.

The diameter of the tube is described in eighths of an inch as it is for incandescent lamps so a fluorescent lamp 1 inch in diameter eight eighths is a t8. Pick from fluorescent bulbs and specialty light bulbs. Numbers in a bulb code indicate size in millimeters or eighths of an inch. If you are using a 60 watt incandescent or a 13 watt compact fluorescent cfl you can switch to a 10 watt led bulb.

T4 tubes are the smallest of the fluorescent bulb sizes at only 4 eighths of an inch 0 5 in. Here you have a simple light bulb replacement guide showing you how easy transitioning from your incandescent bulbs to leds can be. Lamps are typically identified by a code such as fxxty where f is for fluorescent the first number xx indicates either the power in watts or length in inches the t indicates that the shape of the bulb is tubular and the last number y is the diameter in eighths of an inch sometimes in millimeters rounded up to the nearest millimeter. The most common form of fluorescent lamp is a straight tube.

Sizes range from t2 to t17. The letter or letters in a bulb code indicate either shape or special features such as reflector type. Ge 40 watt 48 in medium bi pin t12 3500 k bright white fluorescent light bulb 2 pack item 903831. There is no industry standard for the length or wattage of t4 tube lights.

Ge 8 watt 12 in miniature bi pin t5 4100 k cool white fluorescent light bulb. 1 888 455 2800 fax 1 508 363 2900. The difference is in the diameter. All fluorescent lamps use the same technology but there are several different variations and sizes.

T12s are 1 5 inch diameter. There are three common sizes shown in the chart the below.