How do I know what size light bulb I need?

The light bulb size is determined by the maximum overall diameter (MOD) of the bulb’s shell. It is represented in eighths of an inch (1/8″). It’s also important to keep in mind the bulb’s length (or height) that is defined as the maximum overall length (MOL) expressed in inches.

How do I know what wattage bulb to use?

To check the wattage of your light fixture, first, safely remove the bulb. The ideal wattage should be marked on the inside of the socket. It could also be found on the baseplate of the globe. If not, the wattage should be marked around the socket itself.

What is the maximum wattage for a light fixture?

Generally speaking, the maximum wattage ratings are printed on the light-bulb sockets of the light fixture or lamp. You will see language that reads something like: “Caution: Use only Type A lamp, maximum 60 watts.”

Can I use A21 bulb instead of A19?

Are A19 lamps compatible in A21 lampholders? Yes, because A19 lamps are smaller in all dimensions than A21 lamps, they will fit in virtually all fixtures and lampholders designed for A21 lamps. Since they utilize the same E26 base, the A19 lamps will fit into the socket just fine.

What size is a T10 bulb?

1.5″ inches
A “T10″ or T-10 is a tubular bulb that is ten eighths (10/8) of an inch in diameter or 1.5” inches. A “T4” (4/8) would be four eighths or one half an inch in diameter. Common Tubular bulb sizes are T3, T3-1/4, T4, T5, T4. 5, T5.

Can I use a 120V bulb in a 250V socket?

The fixture can handle anything up to 250V. You can use a 120V bulb. The maximum voltage is the highest that the fixture is rated to endure.

What happens if I put a 75 Watt bulb in a 60 Watt?

It simply means that the bulb, whether CFL or LED, is able to produce as much light as a 60-Watt incandescent. If your fixture is rated to accept 60 Watts, you can safely use 75W, 100W, or even 125W equal bulbs (which all draw less than 50 Watts of power) instead.

Can I use a 100W bulb in 60W socket?

For a 60-Watt fixture, you could use a 100W, 125W, or even 150W LED equivalent because they all consume under 60-Watts! That means you could use a 150W LED equivalent bulb in a 60W socket and get more than three times the brightness of your old 60-Watt incandescent bulb.

Do I have to have bulbs in all the light sockets?

With incandescent light fixtures you do not have to have bulbs in all of the light sockets, but having an open light socket that is energized is not a real good idea if the fixture is in an accessible location where fingers or objects may be a problem.

How many volts is a 125 watt light socket?

The watt limitation is typically printed on the light socket. Plastic light sockets will have a lower watt limitation than a metal socket. Also check the Tiffany shade for additional lamp type or size limitations. Standard lamps will show a rating anywhere from 110 to 130 volts, so the 125 volt rating is fine. Enjoy your light!

Can you use a 660 watt bulb in a light fixture?

This obviously does not mean that you can safely use a 660 watt light bulb in your light fixture, besides, it will most likely cause a house fire. This is why I say to go back to the light fixture instruction sheet or look on the box to see what is the specified size light bulb.

How many watts can you put in a light fixture?

You will see language that reads something like: “Caution: Use only Type A lamp, maximum 60 watts.” In some cases where a fixture has two or more light bulbs, there may be a total wattage rating for the entire fixture.