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Don's bulbs
rare light bulbs and lamps
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definition of: LIGHT CENTER LENGTH

What is LIGHT CENTER LENGTH?

LCL is Light Center Length.

LCL is the measurement from the base plane to the middle of the filament (or light field if not a Filament bulb).

Base plane depends on base type.

Refer to Bulb base photos on my website for LCL measure from points.

references for this page: LIGHT CENTER LENGTH, LCL