How many amps does a t12 bulb use?
Keeping this in view, how many watts does a t12 fixture use?
Fluorescent T12 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 160 - 170 watts depending on the ballast.
Similarly, how much power does a t12 ballast use? The typical T12 four-lamp fixture uses 172 watts of power between the lamps and ballast. LED equivalents typically use only 50 watts, 71% less energy per fixture.  Not only are they brighter per watt, they also last longer than even the preferred florescent bulbs.
Also to know is, how many amps does a fluorescent light use?
How many lumens does a t12 bulb produce?
The Standard T12 lamp produces 2,650 initial lumens per lamp. The standard T8 produces 2,800 initial lumens per lamp, 6% brighter. But the standard T12 lamp produces 2,300 design lumens and the T8 produces 2,660 design lumens.