Brands Guides About
Ushio BC8880 CF42TE/865 42W GX24q-4 CFL Bulb — main product image
Ushio

Ushio BC8880 CF42TE/865 42W GX24q-4 CFL Bulb

★★★★★4.1 (26 reviews)
42W

High-output 42W compact fluorescent bulb delivering 3,040 lumens of bright 6,500K daylight illumination.

$9.99*
✓ In Stock on Amazon.com
View on Amazon

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

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Ushio BC8880 CF42TE/865 is a 42-watt compact fluorescent lamp designed for commercial and institutional lighting applications where high lumen output and energy efficiency are priorities. Producing 3,040 lumens at a color temperature of 6,500K, it delivers a bright, daylight-balanced light that is well-suited for offices, retail spaces, workshops, and any environment where clear visibility and a cool white tone are preferred. The GX24q-4 four-pin base ensures secure installation in compatible fluorescent fixtures with electronic ballasts.

With a rated average lifetime of 12,500 hours and a Color Rendering Index of 82, the BC8880 provides reliable, long-running service that reduces maintenance cycles compared to shorter-lived lamps. Its compact fluorescent design packs substantial light output into a small tube assembly, making it compatible with recessed downlights, surface-mount fixtures, and other compact housings. For facilities maintaining existing fluorescent infrastructure, this bulb offers a straightforward replacement option that balances strong light output, reasonable color accuracy, and efficient energy consumption at 42 watts.

Key Features

Color/finish: daylight

Color temperature: 6,500K

Average lifetime: 12500 hours

Lumens (light output): 3040

Specifications

Brand
Ushio
Model
BC8880 (CF42TE/865)
Wattage
42W
Base Type
GX24q-4
Color Temperature
6,500K (Daylight)
Lumens (Initial)
3,040
CRI
82
Average Lifetime
12,500 Hours
Lamp Type
Compact Fluorescent (CFL)

Pros & Cons

👍 Pros

  • 3,040-lumen output provides strong illumination from a compact form factor
  • 6,500K daylight color temperature suits task lighting and color-critical work areas
  • 12,500-hour average lifespan reduces replacement frequency
  • 42W consumption delivers significantly more light per watt than equivalent incandescent bulbs
  • GX24q-4 base fits a wide range of standard commercial fluorescent fixtures

👎 Cons

  • GX24q-4 pin base limits compatibility to fixtures designed for this specific socket type
  • CFL technology contains a small amount of mercury requiring proper disposal
  • Requires a compatible ballast in the fixture, which adds a potential point of failure
  • 82 CRI is adequate but lower than what high-CRI LED alternatives now offer
  • Bulb needs a brief warm-up period to reach full brightness

Frequently Asked Questions

It uses a GX24q-4 4-pin base, which is a standard pin configuration for 42W triple or quad-tube compact fluorescent fixtures.
The Ushio BC8880 produces light at 6,500K, which falls in the daylight range and provides a bright, cool white appearance.
The bulb has a rated average lifetime of 12,500 hours under standard operating conditions.
Dimming capability depends on the ballast in your fixture. The GX24q-4 base is used with electronic ballasts, and dimming is only possible if the fixture includes a compatible dimming ballast.
At 42 watts, the BC8880 produces 3,040 lumens, which gives it an efficacy of approximately 72 lumens per watt.

Related Products