The lamp name is built up from:
technology + wattage + shape (where needed) + "v" + voltage (where not 120)
Technologies
| • | i = incandescent, standard tungsten filament | 
| • | hps = high pressure sodium | 
| • | lps = low pressure sodium | 
| • | cfl = compact fluorescent, external ballast not included | 
| • | cfb = compact fluorescent with integral ballast on screw base | 
| • | led = light emitting diode | 
Shapes
| • | t12 = 1.5" diameter tube | 
| • | ut12 = u-tube 1.5" diameter | 
| • | ut8 = u-tube 1" diameter | 
| • | par38 = parabolic reflectorized, 4.75" diameter | 
| • | par30 = parabolic reflectorized, 3.75" diameter | 
| • | par56 = parabolic reflectorized, 7" diameter | 
| • | par20 = parabolic reflectorized, 2.5" diameter | 
| • | a = standard residential bulb, slight pear shape | 
| • | mr16 = low voltage compact halogen par, bi-pin base | 
| • | r40 = reflectorized 5" diameter | 
| • | led = light emitting diode | 
| • | dual = two compact fluorescent fingers | 
| • | quad = four compact fluorescent fingers | 
| • | globe = compact fluorescent enclosed to resemble an incandescent bulb | 
| • | bx = long “biax” compact fluorescent lamp with 4-pin base | 
lcl_Lamp_Naming_Convention
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