How to Tell if a Lightbulb Is About to Burn Out

Step-by-Step Guide

1. 1

   Step 1: Watch for an increase in light brightness.

   This is the most common sign.
   
   The light is much,much brighter than it usually is, that means it is within minutes of burning out.
2. 2

   Step 2: Listen: A strange squealing will come from the bulb

   , The light is dimmer than usual, or doesn't turn on.
   
   It could be that it blown out already, you are too late. , The light takes a long time to start up.
   
   This means either a bad electricity current, or that it is going to burn out immediately. , The light flickers, this may mean it is badly connected/screwed in, or that the connection is connecting, and splitting, probably already burned out. , A fluctuating brightness definitely means it is about to blow up.
   
   Disconnect or switch off immediately.
3. 3

   Step 3: or a buzz

4. 4

   Step 4: this signifies vibration that can cause the connection to break and fail.

5. 5

   Step 5: Notice dimming.

6. 6

   Step 6: Observe how long it takes for the light to start up.

7. 7

   Step 7: Watch for flickering.

8. 8

   Step 8: Notice for light fluctuations.

Detailed Guide

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