CEC Miniature Lamp #555, Box of 10
† MOL (Maximum Overall Length):
The overall length of a lamp, from the top of the shell to the bottom of the base.
‡ MSCP (Mean Spherical Candlepower):
Candlepower produced at design volts. Candlepower is increased rapidly with an increase of applied voltage and conversely is reduced rapidly with a reduction of applied voltage.
†† LCL (Light Center Lenght):
The distance from a reference point, usually the bottom of the lamp base, to the center of the light source.