GE

GE Lighting 10490 40W Sunshine CFL Plug-In Bulb

3.8 (10 reviews)
40W

Daylight-balanced 5000K output in a compact plug-in package — reliable, long-life CFL for task and accent fixtures.

$15.98*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The GE Lighting 10490 is a 40W equivalent compact fluorescent designed around the 5000K "Sunshine" color temperature — a daylight-balanced output that renders colors with accuracy and clarity rather than the warm amber cast of incandescent sources. That color point makes it a practical choice for environments where visual accuracy matters: retail product displays, studio task areas, workshop benches, and office spaces where prolonged visual work demands a neutral, high-clarity light source. The compact double-tube geometry keeps the physical envelope small enough to fit in downlights and small plug-in fixtures that a full spiral CFL wouldn't clear.

The 4-pin plug-in base is the defining specification constraint — this bulb is engineered for dedicated plug-in fixtures, not general-purpose screw sockets, so compatibility checking before purchase is essential. Within its intended socket type, GE rates it for approximately 9 years of service in normal use, with consistent lumen output across any mounting orientation. The energy savings over a comparable incandescent add up meaningfully in multi-fixture installations running extended daily hours. For buyers who need a long-life, daylight-balanced replacement in an existing 4-pin plug-in fixture, the GE 10490 delivers reliable, accurate light without surprises.

Key Features

ENERGY SAVING COMPACT FLUORESCENT LIGHT BULBS: The compact, double tube design of the CFL light bulbs provides energy savings. Use them in plug-in sockets throughout your home. The bulb saves in energy costs compared to a traditional bulb.

RELIABLE CFL LIGHT BULBS: These 40W CFL light bulbs provide similar light output in any operating position. They are long lasting and will work for 9 years, outlasting standard incandescent lamps.

CFL LIGHT BULBS FOR FIXTURES: The GE CFL light bulbs are ideal for small fixtures and downlights.

VERSATILE TUBE LIGHT BULBS: Use these CFL light bulbs for many applications, such as residential, office, hospitality, industrial, and retail settings.

CFL LIGHT BULBS FOR 4 PIN SOCKETS: The bases of these tubular light bulbs are specially designed for 4 pin sockets.

Specifications

Type
Compact Fluorescent (CFL)
Wattage
40W
Color Temperature
5000K (Sunshine)
Base Type
4-pin plug-in
Rated Lifespan
~9 years
Dimmable
No
Operating Position
Any orientation
Application
Residential, office, hospitality, industrial, retail

Pros & Cons

👍 Pros

  • 5000K daylight color temperature renders colors accurately and with high clarity — useful for retail, studio task lighting, and workspaces where neutral color evaluation matters.
  • 9-year rated lifespan reduces bulb replacement frequency significantly compared to incandescent options in hard-to-access fixture positions.
  • Operates correctly in any mounting orientation — base up, base down, or horizontal — without affecting lumen output or bulb life.
  • Compact double-tube design fits in smaller plug-in fixtures where a larger spiral CFL would not clear the housing.
  • Energy savings relative to a traditional 40W incandescent equivalent reduce long-term operating costs in multi-fixture installations.

👎 Cons

  • Requires a 4-pin plug-in socket — this bulb cannot be used in standard screw-base residential fixtures without an adapter, limiting drop-in compatibility.
  • CFL technology requires a warm-up period of 30–60 seconds to reach full brightness output, which can be noticeable in spaces where instant full illumination is expected.
  • Not dimmable — installations requiring dimming control will need a different lamp technology (LED or halogen).
  • CFL bulbs contain mercury, requiring proper disposal through recycling programs rather than standard household waste — a handling consideration for high-volume installations.
  • At 5000K, the cool daylight character is not suitable for warm, hospitality-oriented lighting environments where 2700–3000K sources are preferred.

Frequently Asked Questions

This bulb is rated at 5000K, which places it in the "Sunshine" daylight range — the light reads as cool and neutral white, rendering colors with clarity and accuracy suitable for task areas, retail displays, and workspaces where color discrimination matters.
This bulb uses a 4-pin plug-in base (GX24q or equivalent), which is a dedicated fixture base — it will not fit a standard Edison (E26) screw socket. It is designed specifically for fixtures with 4-pin plug-in sockets.
No — standard CFL technology, including this bulb, is not dimmable unless the bulb is specifically rated for dimming use and paired with a CFL-compatible dimmer. This bulb is designed for on/off switching only.
GE rates this bulb at approximately 9 years of normal use, significantly outlasting standard incandescent lamps which typically last 1–2 years under the same conditions.
Yes — the GE listing specifies similar light output in any operating position, which makes it suitable for fixtures where the socket orientation varies, such as downlights, table lamps, and wall sconces with plug-in bases.