null

FREE SHIPPING ON ORDERS OF $1000 OR MORE*

Topaz L4T8B/40K/17F/DE - 4 ft LED T8 Tube - 4000K

SKU:
HO-T70247
Minimum Order Quantity:
25 units
To help ensure safe arrival of bulbs and to give you the lowest possible price, this item is only sold in case quantities. Price shown is per bulb. View full description
$7.47
Customer Reviews
Pack
25

Description

48" LED T8 Light Bulb| Type B Ballast Bypass | Cool White

The Topaz L4T8B/40K/17F/DE LED T8 tube simplifies fluorescent-to-LED retrofits by offering end-to-end wiring and a Type B ballast bypass option, delivering 2200 lumens with PET shatter protection for safer, longer-lasting illumination in commercial spaces.

KEY FEATURES:

  • Reduced Retrofit Labor: End-to-end wired design minimizes socket replacement and speeds installation compared to traditional tubes.
  • Ballast Bypass Type B: Double-ended wiring option allows ballast bypass installations; alternate single-end bypass supported.
  • Durable Construction: Frosted glass tube with PET coating provides shatter protection for food processing and high-traffic areas.
  • Energy Efficient Performance: 17W lamp produces approximately 2200 lumens while running cooler than legacy fluorescent tubes.
  • Long Life & Warranty: 50,000 hour rated life with a 5-year limited warranty for low maintenance replacement cycles.

APPLICATIONS:

  • Ideal for office ceiling grids and linear fixtures.
  • Well suited for retail aisle and general store lighting.
  • Excellent choice for warehouse and industrial aisle illumination.
  • Installation Tip: Use non-shunted (non-shunted) lampholders for proper Type B ballast bypass wiring.

SPECIFICATIONS:

  • Product Code: L4T8B/40K/17F/DE
  • Topaz by Halco SKU: T70247
  • Wattage: 17W
  • Lumens: 2200 lm
  • Length: 48in
  • Base Type: Medium Bi-Pin (G13)
  • Voltage: 120-277V
  • Color Temperature: 4000K
  • CRI: 80
  • Dimmable: No
  • Beam Angle: 160°
  • Average Life: 50,000 hrs
  • Power Factor: 0.9
  • Operating Temp Range: -20°C to 40°C (-4°F to 104°F)
  • Sold In Multiples Of: 25

CERTIFICATIONS & ADDITIONAL NOTES:

  • Certifications: DLC 5.1 Standard, UL Classified, NSF, RoHS
  • Location Rating: Suitable For Damp Locations
  • Manufacturer: Topaz

Downloads

a-download-spec-100px.png

Disclaimers

*This product typically ships in 2 to 3 business days. Larger quantities may take longer than the stated lead-time. All lead-times are estimates, and you will be notified by email if it will take longer than 5 business days to ship. Halco products ship directly from the manufacturer and require a combined minimum purchase of $150 in Halco merchandise. Multiple Halco items may be combined to meet the minimum.

Extra Information

Brand:
Halco
UPC:
751338035300
Collection:
Topaz
SKU:
T70247
Product Code:
L4T8B/40K/17F/DE
Base:
G13
Shape:
T8
Size:
4 ft
Operation:
Type B | Ballast Bypass
Wattage:
17 Watt
Lumens:
2200 lm
Color Temperature:
4000K
Light Color:
Cool White
CRI:
80
Dimmable:
No
Location Rating:
Damp Location
DLC Listed:
Standard
RoHS Compliant:
Yes
NSF Listed:
Yes
Safety Listing:
UL Listed
Average Life:
50,000 Hours
Voltage:
120-277V
Warranty:
5 Years
Pack:
25

The Light Bulb Surplus Difference

Case Quantity Pricing

Many lamps are sold in case quantities so you get better pricing and consistent stock—without pallet-level volume.

$25 Minimum = Better Prices

A $25 minimum helps us keep processing costs down so we can maintain stronger everyday pricing.

US-Based Lighting Experts

Call or chat with a real lighting pro for compatibility and get the right replacement—fast, straightforward support.

High-Detail Product Pages

We keep product pages highly detailed—clear specs, manufacturer spec sheets, and compatibility info—so you can order with confidence.