
WH6-277-L Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $28.00 | Top Pick! Condition is New, Fulham Workhorse WH6-277-L Fluorescent 277-Volt Ballast for (140W Max) T5 HO, FREE SHIPPING | 99.0% |
![]() | $17.09 | Condition is New, Fulham WORKHORSE WH6-277-L Fluorescent Lamp Ballast, UPC 872180100838, shipping cost = $14.10 | 100.0% |
![]() | $39.99 | Top Pick! Condition is New, Fulham WH6-277-L Workhorse Electronic Fluorescent Ballast 277V Multi T8/T5/T12, FREE SHIPPING | ![]() |
![]() | $37.15 | Top Pick! Condition is New, Fulham Wh6-277-L 5 To 140 Watts, 1, 2, 3, Or 4 Lamps, Electronic Ballast, shipping cost = $5.00 | ![]() |
![]() | $43.99 | Condition is New, FULHAM WH6-277-L FLUOR Ballast,Electronic,Instant,108W 35JE67, shipping cost = $7.99 | ![]() |
![]() | $58.65 | Condition is New, REPLACEMENT FOR FULHAM WORKHORSE WH 6-277-L BALLASTS, FREE SHIPPING | 99.5% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.99 | Condition is New – Open box, Fulham Workhorse WH6-277-L Fluorescent 277-Volt Ballast for (140W Max) T5 HO, FREE SHIPPING | 99.9% |
![]() | $22.99 | Condition is New – Open box, Fulham WORKHORSE WH6-277-L Fluorescent Lamp Ballast, shipping cost = $19.96 | 99.7% |

The Fulham WH6-277-L Workhorse Fluorescent 277-Volt Ballast is a robust and reliable lighting solution designed for use with T5 HO (High Output) lamps, specifically 140-watt lamps. This ballast is engineered to deliver optimal performance and energy efficiency, making it an excellent choice for various commercial and industrial applications.
The Workhorse Ballast is a 277-volt version, which is a common voltage for large-scale lighting installations. It is designed to handle high-intensity lighting applications and is capable of providing a reliable and stable output to ensure consistent performance. This ballast is also compatible with electronic and magnetic T5 HO lamps, providing flexibility in lamp selection.
The Workhorse Ballast features a number of advanced features to optimize performance and energy efficiency. It is designed with a pre-programmed lamp test function, which allows for automatic testing of the lamps for potential failures. This feature helps to ensure that the lighting system is operating at peak efficiency and reduces the need for manual testing.
Additionally, the ballast includes an adjustable output control feature, which allows for fine-tuning of the lamp output to meet specific application requirements. This feature is particularly useful in applications where precise lighting levels are essential, such as in laboratories or other controlled environments.
The Workhorse Ballast is also designed with safety in mind. It includes overvoltage protection, which helps to prevent damage to the ballast and lamps in the event of a power surge. It also features short-circuit protection, which helps to protect against electrical faults and potential fires.
The ballast is designed with a durable, high-impact housing that can withstand the rigors of commercial and industrial environments. It also includes a mounting bracket, which allows for easy installation and secure attachment to the ceiling or wall.
In summary, the Fulham WH6-277-L Workhorse Fluorescent 277-Volt Ballast is a versatile and reliable lighting solution designed for use with T5 HO lamps in commercial and industrial applications. It offers advanced features such as lamp testing and adjustable output control, as well as robust safety features and a durable design. Whether you're looking to upgrade an existing lighting system or design a new one, the Workhorse Ballast is an excellent choice for delivering optimal performance and energy efficiency.
Pros and Cons of Buying Fulham WH6-277-L Workhorse Fluorescent 277-Volt Ballast for 140w T5 HO Lamps
Introduction:The Fulham WH6-277-L Workhorse Fluorescent 277-Volt Ballast is a popular choice for those seeking an efficient and reliable lighting solution for their commercial or industrial spaces. In this article, we will discuss the key advantages and disadvantages of investing in this ballast.
Pros:1. Energy Efficiency: The Fulham WH6-277-L Workhorse Fluorescent Ballast is designed to maximize energy efficiency. It is capable of operating multiple T5 HO lamps while minimizing energy consumption.
2. Long Lamp Life: This ballast offers a long lamp life, ensuring that the T5 HO lamps last longer and require less frequent replacement.
3. High Frequency Operation: The high-frequency operation of this ballast results in better lamp performance, reduced flicker, and improved color rendering.
4. Robust Design: The Fulham WH6-277-L Workhorse Fluorescent Ballast is built to withstand harsh environments, making it suitable for use in industrial and commercial settings.
5. Adjustable Output: The adjustable output feature allows users to fine-tune the lighting levels to meet their specific requirements.
Cons:1. Initial Cost: The Fulham WH6-277-L Workhorse Fluorescent Ballast may have a higher upfront cost compared to some other ballasts on the market.
2. Complex Installation: Due to its advanced features, the installation process for this ballast may be more complex than other standard ballasts.
3. Compatibility: This ballast is designed for use with specific T5 HO lamps, and it may not be compatible with all lamp types.
4. Limited Warranty: The warranty provided with the Fulham WH6-277-L Workhorse Fluorescent Ballast may be limited compared to other brands or models.
Conclusion:The Fulham WH6-277-L Workhorse Fluorescent Ballast offers several advantages, including energy efficiency, long lamp life, high-frequency operation, robust design, and adjustable output. However, it also has some disadvantages, such as a higher initial cost, complex installation, limited compatibility, and a potentially limited warranty.
Recommendation:If you are looking for a reliable and efficient lighting solution for your commercial or industrial space, the Fulham WH6-277-L Workhorse Fluorescent Ballast may be a suitable investment. Its advanced features, such as energy efficiency and long lamp life, can help you save money in the long run. However, it is essential to consider the complex installation process and potential compatibility issues before making a purchase. Additionally, if you require a more extensive warranty, you may want to explore other options. Ultimately, the decision to buy this ballast depends on your specific lighting needs and budget.
Details:
This listing is for 1 ballast. This item is new old stock. For combination of 140w max of: Cf's/4p, CDT/4p, CF/4p, circling, linear t4, t5ho, t8, t8ho t12 lamps. Fulham workhorse WH6-277-L instant start electronic ballast, - 277- volts not for residential voltage .
Sitting in storage a while.
specifications faclighting:
- brand: Fulham
- mpn: Wh6-277-l
- part type: Ho Ballast
offer faclighting:
- started: june 29, 2025
- prices: $17.09–$58.65
- item condition:
- New
- New – Open box
- in stock #: 5
- availability: in stock
- options: ship-to-home
- sold #: 19
shipping faclighting:
- transit: 4-10 days
- class: standard
- carrier: usps
- service: usps ground advantage
- type: fixed
payments faclighting:
- wallet: apple-pay
- credit card: discover
- other
general faclighting:
- category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting
seller faclighting:
- # reviews: 27734
- city: los angeles, california
- rating: 99.9%
returns faclighting:
- time: 30 days
- policy: returns accepted
- paid by: buyer
- method: money back
Grouped With:
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- IH2-UNV-270-T8: LIGHTING BALLAST, Fulham
- FHSCP-UNV-5WL: DRIVER BALLAST, Fulham
- RHA-UNV-242-K: BALLAST KIT, Fulham Racehorse
- CF-DA-UNV-332T8-W: BALLAST, Fulham
- WH2-120-C: BALLAST, Fulham Firehorse
- IH3-UNV-272-T12HO: ICE HORSE HO LAMP BALLAST, Fulham
- 872180103600: LIGHTING BALLAST, Fulham
- WH5-277-L: HO BALLAST, Fulham








