Fluorescent Light Bulb Sizes Length

Sizes range from t2 to t17.

Fluorescent light bulb sizes length.

Here you have a simple light bulb replacement guide showing you how easy transitioning from your incandescent bulbs to leds can be. Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number. 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. Linear fluorescent tubes are the most common type of fluorescent lamps.

All fluorescent lamps use the same technology but there are several different variations and sizes. Shapes sizes and bases. 1 888 455 2800 fax 1 508 363 2900. Their size is what makes t4 lights popular for under cabinet lighting purposes and accent lighting for displays or a staircase.

Ge 40 watt 48 in medium bi pin t12 3500 k bright white fluorescent light bulb 2 pack item 903831. For pricing and availability. The difference is in the diameter. Ge 8 watt 12 in miniature bi pin t5 4100 k cool white fluorescent light bulb.

All led can be screwed in like traditional bulbs. These are known as light bulb codes. If you are using a 60 watt incandescent or a 13 watt compact fluorescent cfl you can switch to a 10 watt led bulb. There is no industry standard for the length or wattage of t4 tube lights.

T4 tubes are the smallest of the fluorescent bulb sizes at only 4 eighths of an inch 0 5 in. Numbers in a bulb code indicate size in millimeters or eighths of an inch. The letter or letters in a bulb code indicate either shape or special features such as reflector type. Pick from fluorescent bulbs and specialty light bulbs.

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