| A |
Arbitrary size |
FM |
Flame tip medium base |
MR |
Mirrored reflector |
| AX |
Axial (vertical) filament |
FT |
Flashtube |
N |
Intermediate screw base (E17) |
| AQ |
Aquarium |
G |
Globe shape |
NFL |
Narrow flood |
| B |
Bomb shape |
G |
Germicidal |
NSP |
Narrow spot |
| BA |
Bayonet base |
GRO |
Grow light |
P |
Pear shape |
| BAC |
Bent-tip candelabra base |
H |
Halogen |
P |
Prefocus type base (alternate) |
| BAM |
Bent-tip medium base |
HAL |
Halogen (alternate abbrev) |
PAR |
Parabolic aluminum reflector |
| BB |
Brass base |
HO |
High output |
PL |
Plant light |
| BC |
Blunt-tip candelabra base |
HIR |
Halogen infrared |
PS |
Pear shape w/ long neck |
| BD |
Base down |
HLX |
Halogen lamp with Xenon |
Q |
Quartz |
| BDTH |
Base down to horizontal |
HOR |
Horizontal burning position |
R |
Reflector |
| BL |
Blister pack (packaging) |
HR |
Hot restrike |
RL |
Real light |
| BM |
Blunt-tip medium base |
I |
Ignitron |
RM |
Reflector mushroom shape |
| BR |
Long neck (binary) reflector |
IR |
Instant restrike |
RP |
Retail pack |
| BT |
Bulged tubular |
IR |
Infrared |
RS |
Rapid start (fluorescents) |
| BU |
Base up |
K |
Krypton gas mixture |
RS |
Rough service (incandescents) |
| C |
Candelabra (E12) |
LCD |
Liquid crystal display |
SC |
Single contact |
| CAND |
Candelabra (E12) |
LCL |
Light center length |
SP |
Spot |
| CAP |
Halogen capsylite |
LED |
Light emitting diode |
T |
Tubular shape |
| CC |
Coiled coil filament |
LL |
Long life |
TF |
Tuffcoat (shatterproof) |
| CD |
Card (packaging) |
LN |
Long neck |
TS |
Tough skin (shatterproof) |
| CG |
Cover glass |
LU |
Sodium |
TS |
Traffic Single |
| DC |
Double contact |
MB |
Mid-break |
U |
Universal burning position |
| DL |
Double life |
MB |
Miniature bayonet |
VHO |
Very High Output |
| E |
Edison base (screw type) |
MC |
Miniature candelabra |
VNSP |
Very narrow spot |
| ER |
Elliptical reflector |
MED |
Medium screw base (E26) |
VS |
Vibration service |
| ES |
Energy saver |
MFL |
Medium flood |
VWFL |
Very wide flood |
| EW |
Econowatt |
MH |
Metal halide |
WFL |
Wide flood |
| FC |
Flame tip candelabra base |
MOG |
Mogul screw base (E39) |
WM |
Watt miser |
| FG |
Front glass |
MOL |
Maximum overall length |
X |
Xenon |
| |
| COLORS AND COATINGS |
| A |
Amber |
CY |
Ceramic yellow |
SB |
Silver bowl |
| AIC |
Amber iridescent |
D |
Daylight (6500K) |
SGN |
Sign white (5400K) |
| B |
Blue |
DX |
Deluxe daylight (6500K) |
SNO |
Snow white |
| BB |
Special (bilirubin) blue |
FR |
Frosted |
SPK |
Soft pink |
| BL |
Blacklight (white glass) |
G |
Green |
SUN |
Sunshine (5000K) |
| BLB |
Blacklight blue (dark glass) |
GO |
Gold |
SW |
Soft white (3050K) |
| C |
Coated (usually white) |
IF |
Inside frost (2750K) |
TA |
Transparent amber |
| CB |
Ceramic blue |
IR |
Iridescent |
TB |
Transparent blue |
| CC |
Criticolor |
KB |
Kitchen & bath (3000K) |
TG |
Transparent green |
| CG |
Ceramic green |
LW |
Lite white (4200K) |
TO |
Transparent orange |
| CL |
Clear |
N |
Natural (3700K) |
TP |
Transparent pink |
| CO |
Ceramic orange |
NEO |
Neodymium |
TR |
Transparent red |
| CR |
Ceramic red |
O |
Orange |
TY |
Transparent yellow |
| CW |
Ceramic white (incandescents) |
P |
Pink |
W |
White (3450K) |
| CWX |
Cool white (4100K) |
PK |
Pink |
WW |
Warm White (3000K) |