Q. What size are decorative light bulbs?

Answer

The decorative light bulbs usually come with different sizes like G11 – 11/8 – 1-3/8” G14 – 14/8 – 1-3/4” 3-3/4” G16 / G50 – 2” or 50mm G 14 G25/G80-80mm G30 – 30/8 G60 – 60mm or 2-3/8” G25 / G80 – 80mm or 3-1/8”. The following three sets of bulbs are Reflector Type. The surface of PAR Light Bulbs is nearly flat. In this way the diameter of the bulbs may be easily determined. Standard PAR light bulb sizes include the 2" PAR16 2-1/2" PAR20 3-3/4" PAR30 4-1/2" PAR36 and 4-3/4" PAR38. Tube fluorescent lights have been long awaited and now they're here. The number denotes the tube's internal diameter in this case. T5 tubes are 5/8 inches in diameter T8 tubes are 1 inch T10 tubes are 1 14 T12 tubes are 1 1/2 and T14 tubes are 1-3/4 in diameter.