T8 T12 Lamps

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.

T8 t12 lamps.

So yes there is a significant savings when using a 34 watt bulb versus a 40 watt t12. The t12 runs on a magnetic ballast and a t8 operates on an electronic ballast. The other common lamps are the larger t8 eight eighths inch 1 and t12 twelve eights inch 1 tubes. Get free shipping on qualified t12 t8 led light bulbs or buy online pick up in store today in the lighting department.

The t12 is 1 5 inches in diameter and the t8 is 1 inch in diameter. 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. A t12 ballast is a reference that essentially refers to the size of the tube of the florescent bulb that is being used. T12 tubes pull 40 watts and are frequently being replaced with lower wattage t8 tubes which operate on 32 watts.

This is an 18 energy savings on a 120v system. Magnetic ballasts were banned july of 2010 but left over inventory and other t12 bulbs were still on the market. T8 lamps have a 1 inch diameter and t12 lamps are 1 5 inches in diameter. Although brightness is basically the same less energy is used by the t8.

A typical 2 lamp t8 fixture using standard 32watt lamps uses 59 input watts. 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. When posing the question can a t8 light work on a t12 ballast the short answer is no. In an effort to make led tube lights compatible with the internal dimensions of most fixtures you will find that most led tube lights feature a t8 or 1 inch diameter.

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. 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. They can indeed be used in t12 fixtures. Feit electric 6 in.

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.