Installed this ballast in my kitchen. The previous generic brand had died and this one here cost about the same price as the big brand instant start ballasts in local stores. The advantage of using a programmable quick start ballast is that it must give the lamp over 100,000 on/off cycles compared to 10,000 for an instant start. This is ideal for a location where the light is turned on and off several times a day, such as a B. in the kitchen. The start-up delay is about 0.5 seconds, which is not noticeable. This ballast does not have a ground wire so I grounded the wire from the outlet to a device that will ground the ballast through its metal case. This ballast has a high power factor (0.99) as well as a high ballast factor (1.15). I don't know how long it lasts, but the guarantee is 5 years.
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