Needed an extension box with 3/4" holes. Neither Lowes nor Home Depot have a beast like this. Nothing more to say. If you need it you already know what its going to be purpose is.
Waterproof ABS Electrical Junction Box Enclosure With IP65 Rating - Black 7.87 X 4.72 X 2.95 Inch (200 X 120 X 75Mm) By Zulkit
12 Review
Protect Your Electronics With Zulkit'S Blue Metal Enclosure: DIY Project Case With Preventive Features (9.1" X 7.3" X 3.9")
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Zulkit Junction Box ABS Plastic Waterproof IP65 Electrical Boxes Hinged Shell Outdoor Universal Project Enclosure With Mounting Plate And Wall Brackets Grey 11.8X7.9X6.3 Inch(300X200X160Mm)
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Zulkit 5Pcs Black ABS Plastic Project Boxes - Ideal For Electrical And Power Junctions (80 X 50 X 21 Mm)
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π‘ Hydrofarm Quantum QT400 Dimmable Ballast for 400W Grow Lights
5 Review
π‘ High-Quality Advance ICN-4P32-SC Electronic Fluorescent Ballast: Ideal for 4 Lamps, 32W T8, 120/277V
3 Review
Fulham WorkHorse WH2-120-C Adaptable Ballast - 2 Pack
3 Review
π 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