The difference is in the diameter.
Fluorescent bulbs base types.
This is the most common light bulb base that you can buy and is used in hid cfl ccfl halogen and incandescent light bulbs.
The most commonly available is the t8 bulbs.
Medium standard base code.
T5 fluorescent bulb 13 watt from ge pin spacing 5 mm.
For shipments to canada you can add some items to your cart to determine the shipping rate.
Connects to miniature g5 base.
Also what is the shape of your bulb.
Pin type bases are normally used for track lighting landscape bulbs.
There are three common sizes shown in the chart the below.
For alaska hawaii the base rate is 27 59 and surcharges may apply for larger orders.
Some common bulbs that use this base are appliance bulbs or desk lamps.
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.
E obviously is for edison.
Look at your fixture to determine its base type.
This is to cover all of the additional shipping materials that are needed to ensure a safe.
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.
Certain longer fluorescent led tubes will be assessed a shipping surcharge.
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 common terms are medium intermediate candelabra and mogul.
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.
You can find this base on bulbs such as the t6 s11 and r12 but you will have to do a lot of searching to find these bulbs.
T12s are 1 5 inch diameter.
Compact fluorescent plug in bases 2g7 2gx 7 2g11 g23 g24d 2 g24d 3 g24q 1 g24q 2 g24q 3 gx23 gx23 2 gx24q 1 gx24q 2 gx24q 3 gx24q 4 gx24q 5 miniature automotive bases.
Frequently fluorescent bulbs will have either a single pin or bi pin two pin base type.
This type of fluorescent tube lighting is the most popular because of its high cri and many color temperature options.
Connects to a medium bi pin g13 base.
Some will have a recessed double contact.
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.
Linear fluorescent tubes are the most common type of fluorescent lamps.
However because the light industry likes mysterious codes you may also see e26 e12 e39 etc.