Common Mistakes to Avoid When Replacing a T10 HO Sign Bulb! If your old bulb burned out quickly, there might be a deeper issue with your fixture. Dust buildup, loose wiring, or ballast problems can all cause a new bulb to fail faster than expected. Take a few minutes to inspect the socket and surrounding components before installing your new T10 HO sign bulb. Look for corrosion, cracks, or signs of overheating. Fixing these small issues early can extend the life of your new bulb. Read The Blog: https://blogosm.com/common-mistakes-to-avoid-when-replacing-a-t10-ho-sign-bulb