Replacing the ballast in a failed Dynatrap DT1775. It's larger than the stock ballast, but easy to operate (I used an original stop screw and a self-tapping screw (the tip of the screw was visible in the light box, but I was in a hurry). I'm hoping it can power 2 lamps. It lasts longer than the original bulb for 1. The ballast comes with solid wires, an accurate and clear wiring diagram, and rear and side connections (so should work in any situation.) It also includes a mounting plate, which I made unnecessary Ballast is quiet or close 10/10 I'm happy and would buy again (but doubt I will).
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