E26

Question 1

What's the difference between "Daylight" and "Soft White" bulbs?

Accepted Answer

"Daylight" bulbs offer a crisp, energizing, blue-toned light that's perfect for task lighting in areas like kitchens or offices, while "Soft White" provides a warm, cozy, yellow-toned light ideal for relaxing spaces like living rooms and bedrooms. To learn more about which is right for you, check out our Daylight Bulbs vs Soft White Bulbs guide to help you decide.

Question 2

What are bi-pin and 4-pin bases, and what are they used for?

Accepted Answer

Bi-pin bases, including the miniature and medium bi-pin, have two small pins that push into a socket commonly used for halogen or some LED bulbs in undercabinet lighting or desk lamps. 4-pin bases, with their four pins, are often found in fluorescent and compact fluorescent (CFL) bulbs; they are designed for fixtures requiring a more secure connection and may need specific ballast compatibility.

Question 3

For bulbs labeled A19, A15, and A21, what does the "A" mean, and how do those numbers relate to the bulb?

Accepted Answer

The "A" refers to the traditional, pear-shaped bulb, a common style for homes. The number indicates the bulb's diameter at its widest point, in eighths of an inch, so an A19 bulb is 19/8 inches wide, an A21 is slightly larger at 21/8 inches, and an A15 is smaller at 15/8. Knowing this helps when choosing the right size for your fixtures and the light needed.

Question 4

I've heard about different levels of integration, like IFTTT. What does that mean for my smart light bulbs, and is it worth looking for?

Accepted Answer

IFTTT (If This Then That) enables you to create custom automation between your smart light bulbs and other smart devices or services. This means you can set up complex routines, such as turning on lights automatically when your alarm goes off. While not essential, IFTTT adds advanced functionality and is worth considering for advanced users seeking custom control.

Question 5

Can I use universal light bulbs in any fixture in my home?

Accepted Answer

Universal light bulbs generally refer to bulbs designed for various applications and fixtures, meaning they're versatile for different settings. Always double-check your fixture's requirements to ensure the bulb's base, wattage, and voltage match; following the guidelines helps ensure safety and compatibility for any light fixture around the house.

Light Bulbs

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Department

Review Rating

Brand

Philips

JONATHAN Y

Feit Electric

Genie

Philips Hue

Yichuhaoxi

Price

$0 - $10

$10 - $20

$20 - $30

$30 - $40

$40 - $50

$100 - $150

Special Values

Lighting Technology

LED

Bulb Shape

Light Bulb Features

No Electromagnetic Interference

Energy Saving

Enclosed Fixture Rated

Light Bulb Shape Code

A19

Specialty Code

G25

PAR38

G45

ST19

ST58

T45

Light Bulb Base Type

Medium

Intermediate

Number of Bulbs Included

1

2

4

6

8

Bulb Material

Plastic

Glass

Wattage Equivalence

40 Watt

60 Watt

90 Watt

100 Watt

Bulb Finish

Clear

Frosted

Amber

Rated

Damp Rated (Indoor/Covered Outdoor)

Wet Rated (Indoor/Outdoor)

Dry Rated (Indoor)

Bulb Color

White

Yellow

No Color

Green

Red

Light Bulb Base Code

G13

E39

E12

G9.5

Dimmable Capability

Non Dimmable

Dimmable

Product Diameter (in.)

1 in

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90-Watt Equivalent PAR 38 LED Flood in Green (1-Pack)

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100-Watt Equivalent A19 Non-Dimmable Energy Saving LED Light Bulb Daylight (5000K) (4-Pack)

JONATHAN Y
40-Watt Equivalent G45 Non-Dimmable LED Edison Glass Bulbs w/ E26 Base, 80+ CRI, WW 2700K, 420 Lumens, Clear (Pack of 6)

JONATHAN Y
40-Watt Equivalent T45 LED Non-Dimmable Edison Glass Bulbs w/E26 Base, WW 2700K, 350 Lumen, Tinted Amber (Pack of 6)

Philips
100-Watt Equivalent A19 Non-Dimmable Energy Saving LED Light Bulb Daylight (5000K) (1-Pack)