T8 T12 Lamps

These are the basic different characteristics of each different fluorescent lamp type that is most commonly used in offices and commercial industrial lighting all across the world.

T8 t12 lamps.

A 48 inch t8 lamp produces 2 600 design lumens using 32 watts while the same size t12 lamp produces 2 520 design lumens using 40 watts. With this said t12 fluorescents for the most part use. T12 tubes pull 40 watts and are frequently being replaced with lower wattage t8 tubes which operate on 32 watts. Typical diameters are t12 or t38 1 1 2 in or 38 mm for residential lamps with magnetic ballasts t8 or t26 1 in or 25 mm for commercial energy saving lamps with electronic ballasts and t5 or t16 5 8 in or 16 mm for very small lamps which may even operate from a battery powered device.

The other common lamps are the larger t8 eight eighths inch 1 and t12 twelve eights inch 1 tubes. Feit electric 6 in. T12 and t8 bulbs are available in the same lengths however ordinary t12 bulbs do not operate properly with an electronic ballast and vice versa. The t8 lamp will also have an extra 4 000 hours of average rated life on a 3 hour start cycle and a couple hundred extra lumens per lamp.

The t12 runs on a magnetic ballast and a t8 operates on an electronic ballast. T8 tubes are simply 1 inch in diameter versus the 1 5 inch diameter of t12 tubes. They can indeed be used in t12 fixtures. A typical 2 lamp t8 fixture using standard 32watt lamps uses 59 input watts.

15 watt t8 32w t12 40w equivalen cool white 4100k g13 u bend linear led tube light bulb 12 pack model t848840 ab u6 led 12 view the upgrade to led tubes light and save. The t12 is an older generation fluorescent bulb that generates light through electromagnetic induction which is considered less efficient method of creating light compared to that of newer electronic based circuits. When posing the question can a t8 light work on a t12 ballast the short answer is no. Get free shipping on qualified t12 t8 led light bulbs or buy online pick up in store today in the lighting department.

Although brightness is basically the same less energy is used by the t8. Magnetic ballasts were banned july of 2010 but left over inventory and other t12 bulbs were still on the market. This is an 18 energy savings on a 120v system. So yes there is a significant savings when using a 34 watt bulb versus a 40 watt t12.

T8 lamps have a 1 inch diameter and t12 lamps are 1 5 inches in diameter.