These capacitors are for use in TL-D fixtures in conjunction with a conventional ballast.
Use the 5.4 micro Farad for fixtures with 58 watt fluorescent lamp and the 3.4 micro Farad for fixtures with 36 watt fluorescent tube.
Operating temperature is from -40 degrees Celsius to 100 degrees.
When replace capacitor? If fluorescent fixture bad start or when to shake this very state or only attempt to boot and it is not possible despite replace the starter and TL.