Christmas Lights Guide Visual

Retrofit Bulbs - screw into light stringers

Base sizes:
  • E12 Candelabra: size of a night light bulb, 12mm base width
  • E17 Intermediate: 17mm base width
  • E26 Medium: standard household base size, 26mm base width
Type of Bulb View Application Size Base
C7
LED
Incandescent
C7 replacement bulb
  • Outdoor trees
  • Lining rooflines or walkways
  • Night lights
  • Electric candles
7/8" wide
1 1/2" bulb height
2 1/8" tall
E12 Candelabra
C9
LED
Incandescent
C9 replacement bulb
  • Larger outdoor trees and bushes
  • Lining rooflines or walkways
  • Parties
  • Retro designs
1 1/8" wide
2" bulb height
2 7/8" tall
E17 Intermediate
G20
LED
  • Parties
  • Weddings
  • Small trees or bushes
20mm diameter E12 Candelabra
E17 Intermediate
G30
Incandescent
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  • Parties
  • Weddings
  • Small trees or bushes
  • Fair or circus lights
30mm diameter E12 Candelabra
E17 Intermediate
G40
Incandescent
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  • Parties
  • Weddings
  • Small trees or bushes
  • Fair or circus lights
40mm diameter E12 Candelabra
E17 Intermediate
G50
Incandescent
  • Parties
  • Weddings
  • Small trees or bushes
  • Fair or circus lights
50mm diameter E12 Candelabra
E17 Intermediate
Flicker Flame
Incandescent
  • Halloween
  • Candles
7/8" diameter E12 Candelabra
S14 / T50
LED
Incandescent
  • Parties
  • Patios
  • Signs
  • Fair or circus lights
1.75" diameter E26 Medium
11S14
Incandescent
11S14 Patio Bulb
  • Parties
  • Patios
  • Signs
  • Fair or circus lights
1.75" diameter E26 Medium
A15
Incandescent
  • Parties
  • Patios
  • Signs
  • Deck lighting
1.75" diameter E26 Medium
A19
Incandescent
  • Parties
  • Patios
  • Signs
  • Deck lighting
  • Table lamps
2.25" diameter E26 Medium
F15
Incandescent
  • Parties
  • Patios
  • Signs
  • Fair or circus lights
1 5/8" diameter E26 Medium

Specialty Bulbs

Type of Bulb View Application Size Base
Icicle Bulbs
LED
LED Icicle Light
  • Rooflines
  • Porches
  • Outdoor trees
  • Indoor trees
7" - 24" E12 Candelabra
Grand Cascade
LED
LED Grand Cascade Bulb
  • Rooflines
  • Porches
  • Outdoor trees
  • Large lightshows
12" - 36" E17 Intermediate
Strobe
LED
  • Outdoors
  • Christmas light shows
  • Retro Christmas designs
  • Flood lights
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
C7, Falling Icicles, G20, G30, G40, G50
E17 Base Stringer
C9, Grand Cascades, G50, 10S11
E26 Base Stringer
T50, 11S14, A15, A19, F15

Prelamped Lights - bulbs are secured in sockets

Type of Bulb View Application Size Base
5mm Wide Angle
LED
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  • Parties
  • Ambient Lighting
  • Christmas Trees
5mm length Fused 5mm base
C6 Strawberry
LED
C6 LED Replacement lights
  • Small trees
  • Ambient room lighting
  • Decorative light string
6/8" wide Fused C6 base
G12 Razzberry
LED
G12 Led Light
  • Parties
  • Weddings
  • Small trees or bushes
12mm diameter Fused G12 base
M5 Mini Ice
LED
  • Parties
  • Ambient Lighting
  • Christmas Trees
20mm length Fused M5 base

Rope Light - bulbs are encased in PVC tubing

Available In View Application Types Size
Rope Light
Incandescent
LED
  • Boats and cars
  • Rooflines and walkways
  • Ambient lighting in the house
  • Cove lighting
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.

C7 vs C9 Bulbs Video - Choosing Bulb Size

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