Fluorescent Light Bulb Base Types

Connects to a medium bi pin g13 base.

Fluorescent light bulb base types.

There are tens of unique bases for light bulbs. Systematic nomenclature identifies mass market lamps as to overall shape power rating length color and other electrical and illuminating characteristics. The most familiar is the edison screw base found on most incandescent bulbs and many halogen compact fluorescent hid and now ledbulbs. Look at your fixture to determine its base type.

T5 fluorescent bulb 13 watt from ge pin spacing 5 mm. Certain longer fluorescent led tubes will be assessed a shipping surcharge. Some will have a recessed double contact. The difference is in the diameter.

Connects to miniature g5 base. By eliminating bulbs that don t match your base type you are on the right track to finding the right type of fluorescent light bulb. For shipments to canada you can add some items to your cart to determine the shipping rate. Screw bases 10mm miniature screw e10 11mm miniature candelabra e11 12mm candelabra e12 14mm european e14 17mm intermediate e17 26mm medium e26 27mm european medium e27 39mm mogul e39 fluorescent pin bases miniature bipin medium bipin single pin recessed double contact 4 pin single ended 4 pin 2gx 13 axial twist lock bases 10mm gu10 10mm gx10 24mm gu24.

T8 lights are a good choice for an adjustable lighting system because of their color temperature range from a soft yellow white to bright daylight. The common terms are medium intermediate candelabra and mogul. Also what is the shape of your bulb. All fluorescent lamps use the same technology but there are several different variations and sizes.

Pin type bases are normally used for track lighting landscape bulbs. For alaska hawaii the base rate is 27 59 and surcharges may apply for larger orders. Most common light bulb uses including lamps recessed flush mount flood lights are going to have one of the first three base types shown above. Intermediate base code.

T8 fluorescent bulb 32 watt pin spacing 13mm sold in a wide range of color temperature and light output in lumens straight or u shaped. Pin type bases base codes gu5 3 gu10 and gu24. This type of fluorescent tube lighting is the most popular because of its high cri and many color temperature options. T12s are 1 5 inch diameter fluorescent tubes.

Candelabra base code. Since their introduction as a commercial product in 1939 many different types of fluorescent lamp have been introduced. Linear fluorescent tubes are the most common type of fluorescent lamps. The most commonly available is the t8 bulbs.

Medium standard base code. Frequently fluorescent bulbs will have either a single pin or bi pin two pin base type.