Fluorescent Lamps:
13 of 17
SP and SPX lamps SPX lamps are used wherever high color rendering is required.

Replacing Competitive Lamps

730 SP30
735 SP35
741 SP41
830 SPX30
835 SPX35
841 SPX41


GE Linear Fluorescent lamps are named like this:

F32T8/SPX41/SXL

F32 Fluorescent, 32 watt
T8 Tubular, 8 eighths of an inch (1 inch) in diameter
SPX SPX lamps have a CRI (Color Rendering Index) of 86. In comparison, SP lamps have a CRI of 78
41 Refers to 4100 Kelvin Color Temperature
SXL SXL refers to the Super Long Life product described a couple of pages earlier.

To refresh your memory click on the links below:

Color Temperature and CRI