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Product Overview:
  • Powers T5 and twin tube CFLs
  • Instant start
  • UL listed
  • Quiet operation
  • 5-Year warranty
  • Learn More

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Fulham Workhorse-1, 277-Volt, Electronic Fluorescent Ballast

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Fulham Workhorse-1, 277-Volt, Electronic Fluorescent Ballast

Item #WH1-277-L
AvailabilityUsually ships in 2-3 business days
Quantity  Add to cartAdd to Wishlist

About our Fulham Workhorse-1, 277-Volt, Electronic Fluorescent Ballast

The Fulham Workhorse 1 eliminates the buzz of out-of-date magnetic ballasts with quiet, energy saving operation and an A sound rating. This ballast operates T5 linear fluorescent lamps and twin tube CFLs. This Fulham Workhorse 1 ballast is 277-volt input model for commercial applications. It comes with a 5-year warranty for years of security and energy savings.

  • Versatile: this Fulham electronic fluorescent ballast, WH1-277-L powers twin tube CFLs and T5 linear fluorescent. See the full list of fluorescent Lamp Type & Lamp Quantity combinations in the table below.
  • Fulham Workhorse 1 Wiring Diagram: please visit the Fulham Workhorse wiring diagram tool for instructions on how to wire this ballast. First, click on the type of light bulb you wish to power on the left side of the screen. Second, find your ballast model along the top. Third, find the wattage of the lamp combination you will be powering and click on the link to view the matching diagram.
  • Features: solid-state electronics, small case size, high power factor, lightweight, energy saving. Fulham's WorkHorse adaptable electronic ballast family has been a favorite with electrical contractors since 1992. Fewer ballasts on the service truck that can power nearly 900 different lamp combinations saves time and money. The ability of a ballast to accommodate multiple lamp types is a huge time-saver for the person in the field.
  • Complete Specifications: see Spec Sheet (PDF) and table below
  • Brand Fulham
    Ballast Family Workhorse
    Model # WH1-277-L
    Start Type Instant Start
    Lamps Type Description Qty
    CFT7W 7-Watt Twin Tube CFL 1
    F6T5 6-Watt T5 Linear Fluorescent Lamp 1
    F14T5 14-Watt T5 Linear Fluorescent Lamp 1
    F21T5 21-Watt T5 Linear Fluorescent Lamp 1
    F28T5 28-Watt T5 Linear Fluorescent Lamp 1
    Input Voltage 277 volts
    Min. Starting Temp, (F) -20°F
    Overall Length 7.50 in
    Width 1.0 in
    Height 0.75 in
    Weight 4.5 oz
    Sound Rating A
    Power Factor See Spec Sheet (PDF)
    Total Harmonic Distortion See Spec Sheet (PDF)
    Wiring Parallel Wired
    Line Current See Spec Sheet (PDF)
    Input Watts See Spec Sheet (PDF)
    Ballast Factor See Spec Sheet (PDF)
    UL Approval UL Listed Type 1
    Warranty 5 years

UL Listed   5-Year Warranty   Satisfaction Guarantee   Installation Difficulty

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Fulham Workhorse-1, 277-Volt, Electronic Fluorescent Ballast
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