Fluorescent Light Bulb Sizes Chart

Fluorescent bulbs also produce about 75 less heat than incandescent bulbs so they keep rooms cool with less energy.

Fluorescent light bulb sizes chart.

The shape of a tube is self explanatory as they are linear in length with two metal pins on each end. All led can be screwed in like traditional bulbs. T4 4 8 bulb diameter or 1 2 t5 5 8 bulb diameter t8 8 8 bulb diameter or 1. The t stands for tubular and the numbers are an index for the diameter in inches of the tube.

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. A 5 watt 25 watt or 300 watt incandescent bulb can be screwed into an edison socket and they will all work as they are supposed to. 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. Fluorescent tubes won t work without a ballast a device that regulates the current to the bulb.

With fluorescent tubes the length and width of the tubes differ and the dimensions you need will depend on the size and wattage of the fitting. Whether you are buying a fluorescent bulb for the first time or ordering a replacement the first place you need to look is the fixture. If you are using a 60 watt incandescent or a 13 watt compact fluorescent cfl you can switch to a 10 watt led bulb. Find the lightbulbs shape you re looking for with this visual chart detailed illustrations of bulb shapes include a19 mr16 par and linear fluorescent tubes.

T4 t5 t8 and t12. Sizes range from t2 to t17. Knowing how to find a fluorescent light bulb that fits all of your needs will save you time worry and ensure you get the right one every time. The length of cfl bulbs vary slightly and is dependent on the type of bulb.

Fluorescent light sizes shapes and base types. Fluorescent lights are usually long and tube shaped but also come in u shaped bulbs. The fluorescent bulb s t number in essence gives the bulb diameter and its connecting pin design. Here you have a simple light bulb replacement guide showing you how easy transitioning from your incandescent bulbs to leds can be.