Fluorescent Light Fixture Sizes

Most tube lighting will have its size mentioned on an end of the tube.

Fluorescent light fixture sizes.

In a 120 volt circuit you add up the total wattages of the light fixtures on that circuit and divide that by 120. With lighting fixture circuits you have to take into consideration the voltage capacity of the circuit and the wattage of all the lighting fixtures that run through the circuits to get the recommended wire size. Diameter in eighths of an inch. The t stands for tubular and the numbers are an index for the diameter in inches of the tube.

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. In this code 70 means a cri between 70 and 79. Because of their energy efficiency and light output i e. A good rule of thumb is to add up the width and length of the foyer in feet to find the ideal diameter or width of a light.

Fluorescent bent lamps come in a few different options. There are 4 different fluorescent light options. To find an ideal height for a foyer light take the room s height then multiply it by 2 5 and 3 which will give you 2 numbers for example if your room has a 10 foot ceiling. Southwire industrial 1 light antique brass outdoor weather tight flushmount wall light fixture.

T4 t5 t8 and t12. You ll also see them in over the counter lighting shelf lighting or cubby lighting in retail spaces because of their compact size. Fluorescent tube sizes guide. 80 means a cri between 80 and 89 and so on.

Bi pin bulbs use a conventional ballast and starter unless the light fixture has been coverted to use an led replacement for a conventional fluorescent bulb a step that can be taken if the ballast is a newer electronic type. For example a 20 inch diameter foyer light would be ideal for a 10x10 foyer. 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. Lumen output you see a lot of high output t5s used in warehouse fixtures.

In the 1990s manufacturers began to add a numeric code describing a lamp s color to the string of characters identifying the model replacing the cw wwx etc designations.