Worked well for my 4 lights. I have two lamps in my kitchen, I replaced the ballast on one with these. Both lamps burn the same. No lag or flicker.
๐ก Hydrofarm Quantum QT400 Dimmable Ballast for 400W Grow Lights
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๐ Robertson 2P20132 Quik-Pak: 10 Fluorescent eBallasts for 2 F40T12 Linear Lamps, Preheat Rapid Start, 120Vac, 50-60Hz, Normal Ballast Factor, NPF, Model RSW234T12120 /A (Crosses to RSW240T12120 /B)
4 Review
Robertson Worldwide ISL432T8HEMV AH 3P20160 120-277V 50-60Hz High Power Factor 4 F32T8 Linear Lamp Fluorescent eBallast
6 Review
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7 Review
โก Enhanced Watt Meter Power Meter Plug: Convenient Home Electricity Usage Monitoring with Backlight, Overload Protection, & 7 Modes Display
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P3 P4400 Electricity Usage Monitor
9 Review
Electricity Monitor Voltage Overload Protection
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๐ Poniie PN1500 Portable Electricity Usage Monitor - Power Consumption Watt Meter Voltage Amp Tester (110V, 1500W)
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