You asked: How do you test a CFL light bulb?

How do I know if my CFL bulb is bad?

How to Tell If a Fluorescent Tube Is Bad?

  1. Check the ends of the tube. If they appear darkened this indicates the bulb is burned out.
  2. Rotate the tube in the fixture if the bulb is not darkened on either end.
  3. Remove the bulb from the fixture if the bulb is still not illuminating.

How do you test a CFL bulb?

Set a multimeter to the ohm (Omega symbol) setting, then touch one tester probe to each of the pins at the end of the bulb. If the tester shows a reading between 0.5 and 1.2 ohms, the bulb has continuity.

How do I test a CFL with a multimeter?

Steps for Testing the Bulb

  1. Set your multimeter: Begin by turning the dial on your multimeter to the “ohms” setting.
  2. Test your multimeter: Touch the two probes of your multimeter together. …
  3. Connect the pins: The multimeter will have two small test probes, which you can touch to the light bulb to get a reading.

Can you use a multimeter as a test light?

If you don’t happen to have a working bulb handy, you can use a light socket tester or test the fixture with a multimeter. … There are two procedures to check a light socket with a multimeter, one of which requires the power to be on and another you can do with the power off.

IT IS AMAZING:  How do you fix clear coat on headlights?

Why is my light bulb not working?

First check the bulb. … Tighten the bulb if it is loose, then try the switch again. If a problem remains, be sure the switch is off, remove the bulb and substitute a new one. If the light does not work with a new bulb, check whether the circuit breaker or fuse governing the fixture has tripped or blown.