How Many Lumens Is A T12?

How Many Lumens Is A T12? A standard T12 lamp has a life of 20,000 hours and a lumen output of around 2500 lumens. The lumens per watt of T12 is roughly around 60 and a CRI of 70. Your average 2 lamp fixture will consume 90 watts, the 4 lamp version will consume roughly … Continue reading How Many Lumens Is A T12?