Christmas Lights Guide Visual
- > Retrofit Bulbs
- > Specialty Bulbs
- > Stringer Chart
- > Prelamped Lights
- > Rope Light
- > Video: C7 vs C9 Bulb Size
Retrofit Bulbs - screw into light stringers
| Type of Bulb | View | Application | Size | Base |
|---|---|---|---|---|
| C7 LED Incandescent |
|
7/8" wide 1 1/2" bulb height 2 1/8" tall |
E12 Candelabra | |
| C9 LED Incandescent |
|
1 1/8" wide 2" bulb height 2 7/8" tall |
E17 Intermediate | |
| G20 LED |
|
20mm diameter | E12 Candelabra E17 Intermediate |
|
| G30 Incandescent |
|
30mm diameter | E12 Candelabra E17 Intermediate |
|
| G40 Incandescent |
|
40mm diameter | E12 Candelabra E17 Intermediate |
|
| G50 Incandescent |
|
50mm diameter | E12 Candelabra E17 Intermediate |
|
| Flicker Flame Incandescent |
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|
7/8" diameter | E12 Candelabra |
| S14 / T50 LED Incandescent |
|
1.75" diameter | E26 Medium | |
| 11S14 Incandescent |
|
1.75" diameter | E26 Medium | |
| A15 Incandescent |
|
1.75" diameter | E26 Medium | |
| A19 Incandescent |
|
2.25" diameter | E26 Medium | |
| F15 Incandescent |
|
1 5/8" diameter | E26 Medium |
Specialty Bulbs
| Type of Bulb | View | Application | Size | Base |
|---|---|---|---|---|
| Icicle Bulbs LED |
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|
7" - 24" | E12 Candelabra |
| Grand Cascade LED |
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|
12" - 36" | E17 Intermediate |
| Strobe LED |
|
3.25"h x 1"d | E12 Candelabra |
Stringers and Spools
With all retrofit bulbs, stringers are needed. To find the best stringer for your chosen bulb, read the chart below:
| Stringer Size | View | Works With Bulbs |
|---|---|---|
| E12 Base Stringer | C7s, Falling Icicles, G20s, G30s, G40s, G50s | |
| E17 Base Stringer | C9s, Grand Cascades | |
| E26 Base Stringer | T50s, 11S14s, A15s, A19s, F15s |
Prelamped Lights - bulbs are secured in sockets
| Type of Bulb | View | Application | Size | Base |
|---|---|---|---|---|
| 5mm Wide Angle LED |
|
5mm length | Fused 5mm base | |
| C6 Strawberry LED |
|
6/8" wide | Fused C6 base | |
| G12 Razzberry LED |
|
12mm diameter | Fused G12 base | |
| M5 Mini Ice LED |
|
20mm length | Fused M5 base |
Rope Light - bulbs are encased in PVC tubing
| Available In | View | Application | Types | Size |
|---|---|---|---|---|
| Rope Light Incandescent LED |
|
Incandescent 120 volt, LED, 12 volt, and square rope light | Kits from 12' to 150' spools |
Christmas Lights Buying Guide
The difference between LED Christmas lights and incandescent lights and bulb size has a significant impact on any Christmas lights display. If you're new to Christmas light bulbs, take a moment to learn about the bulb sizes available.




