I made a relay tester out of this. These are small plastic boxes that are not waterproof, but you can make them waterproof. They now come in individual pouches within a larger zipped pouch. I don't care about the latch on the lid, I would prefer screws but it will work.
Inkbirdplus Dustproof Waterproof Electrical Enclosure
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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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Junction Box, Zulkit Project Box IP65 Waterproof Dustproof ABS Plastic Electrical Boxes Electronic Enclosure Black 4.5 X 3.5 X 2.2 Inch(115 X 90 X 55 Mm)(Pack Of 1)
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Fulham WorkHorse WH2-120-C Adaptable Ballast - 2 Pack
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Robertson Worldwide ISL432T8HEMV AH 3P20160 120-277V 50-60Hz High Power Factor 4 F32T8 Linear Lamp Fluorescent eBallast
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π‘ Fulham Lighting WH7-120-L Workhorse 7 Versatile Fluorescent Lamp Ballast - 20 Count Silver
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