What does F40 mean on light bulb?

All F32 and F40 lamps are essentially 4 foot long lamps (47″ if you don’t count the pins). The FR71T12 is actually a 71″ long x 1.5″ diameter lamp that can handle from 80-120w and is typically run at 100w. It uses the different use of the F number.

What size is F40cw?

Lamps, Fluorescent, U-shaped, Base: F40cw/u/6/wm, Length: 35, Diameter: T12 Medium Bi-pin, Light Output: 22.5 Inch, Efficiency: 1 1/2 Inch, Features: 14000 Hour, : 2300 Lumens, : 6…

How long is a F40?

Ferrari F40
Length 4,358 mm (171.6 in)
Width 1,970 mm (77.6 in)
Height 1,124 mm (44.3 in)
Curb weight 1,254–1,369 kg (2,765–3,018 lb)

What is Holight?

“HO” stands for high output. T5 HO lamps deliver more light than standard T5 lamps and are available in higher wattages. HO lamps have the same diameter and length as standard T5 lamps.

How many lumens is a 4 foot T12 bulb?

2325-Lumen
Philips Daylight Deluxe Linear Fluorescent T12 Light Bulb: 4-Foot, 2325-Lumen, 6500-Kelvin, 40-Watt, Bright White, Bi-Pin Base, 10 Count (Pack of 1) Learn more about free returns.

What is the difference between T8 and T12?

The main difference between T8 and T12 tubes is the tube’s diameter. T12 tubes are 1.5″ in diameter while T8s are just one inch. All other things—socket sizes, lengths, distance between pins—are the same. T8 LED tubes won’t fall out if you try to install them in a T12 fixture—they’ll fit just fine.

What sizes do fluorescent bulbs come in?

While there are multiple types of LED and fluorescent tube lights, the three most common are T12, T8 and T5. The terminology comes from “T” for “tubular” and the diameter of the bulb in eighths of an inch, so “T8” represents a tube of 8/8ths of an inch, or 1 inch.