Ordering codes are designed to indicate lamp specifications such as wattage, technology, shape and finish. Use the examples below to understand how to read light bulb ordering codes.
Incandescent
40G25CL3
- 40 = Wattage
- G25 = Globe (25 eighths of an inch or 31.8" diameter)
- CL = Clear
- 3 = Voltage (130V)
65BR30FL2/2P
- 65 = Wattage
- BR30 = Bulbous Reflector (30 eighths of an inch, or 33.4" diameter)
- FL = Flood
- 2 = Voltage (120V)
- 2P = 2-Pack
40EFC/3
- 40 = Wattage
- E = E26 Base (Medium / Standard Base)
- F = Flame
- C = Clear
- 3 = Voltage (130V)
Krypton/Xenon
JC5XE/12
- JC = JC Bi-Pin
- 5 = Wattage
- XE = Xenon
- 12 = Voltage (12V)
KX40CL/E12
- KX = Krypton Xenon
- 40 = Wattage
- CL = Clear
- E12 = E12 Base (Candelabra)
Fluorescent
F32T8/835/HL
- F = Fluorescent
- 32 = Wattage
- T8 = Diameter of tube (8 eighths of an inch or 1")
- 8 = >= 80 CRI
- 35 = Color Temperature (3500K)
- HL = High Lumen
Halogen
EXN/L
- EXN = ANSI code for 50W MR16 40° Flood
- L = Lensed
Q35CL/MC
- Q = Quartz Glass Shell
- 35 = Wattage
- CL = Clear
- MC = Mini Candelabra Base
H75PAR30NF3
- H = Halogen
- 75 = Wattage
- PAR30 = Parabolic Aluminum Reflector (30 eighths of an inch, or 33.4" diameter)
- NF = Narrow Flood
- 3 = Voltage (130V)
Compact Fluorescent
CF13WW/GU24/DM
- CF = Compact Fluorescent
- 13 = Wattage
- WW = Warm White (DL = Daylight, SD = Soft Daylight)
- GU24 = GU24 Twist and Lock Base
- DM = Dimmable
CF18T841/E
- CF = Compact Fluorescent
- 18 = Wattage
- T = Triple Tube
- 8 = >= 80 CRI
- 41 = Color Temperature (4100K)
- E = Electronic 4-Pin
HID
MH24PAR38NFL/SB
- MH = Metal Halide
- 24 = Wattage
- PAR38 = Parabolic Aluminum Reflector (38 eighths of a inch)
- NFL = Narrow Flood
- SB = Self Ballasted
M70/U/MED/O
- M = Metal Halide
- 70 = Wattage
- U = Universal Burn Position (V = Vertical, H = Horizontal)
- MED = E26 Base (Medium / Standard Base)
- O = Open Fixtures (or E = Enclosed)