“T” stands for “Tube”, Tube, the Numbers behind the T represents theTube diameter.
T8 has eight T, a T is 1/8 inch.
One inch is equal to 25.4 mm. Then every T is 25.4 = 3.175 8 mm; T12 tube diameter is (12/8) = 25.4 38.1 mm is the diameter of the T10 lamp (10/8) T8 tubes diameter is 25.4 = 31.8 mm (8/8) = 25.4 25.4 mm(T8 is just an inch in diameter tube)(note: uniform width of 39 mm height 52 mm)
LED fluorescent tube is in accordance with the common fluorescent lamp manufacturing specifications, the specifications are the same, under the premise of can not replace the bracket easily will Led fluorescent lamp to replace common fluorescent lamp in order to achieve environmental protection, energy conservation, to save the cost of replacement.