The Problem: A Break in the Circuit
Reading 0 volts between hot, neutral, and ground indicates a complete break in the electrical path. This means the electricity cannot flow to the light fixture. Here are the most common culprits:
* Broken Wire: A wire could be broken inside the wall, in the fixture itself, or at any point in the wiring path.
* Loose Connection: A loose connection at the switch, outlet, fixture, or junction box can interrupt the flow of electricity.
* Blown Fuse or Tripped Breaker: The circuit's fuse or breaker might have blown or tripped, completely stopping the flow of current.
* Open Switch: The switch controlling the light fixture may be turned off. This might seem obvious, but it's always worth double-checking.
Troubleshooting Steps:
1. Safety First: Always turn off power to the circuit at the breaker box before working on any electrical wiring.
2. Check the Switch: Ensure the switch is in the "on" position.
3. Inspect the Fixture: Look for loose wires or signs of damage within the fixture itself.
4. Check the Wiring at the Fixture: Carefully inspect the wiring at the fixture terminals, looking for loose connections or signs of burnt or corroded wires.
5. Check the Wiring at the Switch: If the fixture is wired through a switch, inspect the wiring at the switch for loose connections or signs of damage.
6. Check for Blown Fuse or Tripped Breaker: Look at the fuse box or circuit breaker panel. Is the fuse blown or the breaker tripped? Reset the breaker or replace the fuse if necessary.
7. Trace the Circuit (If Necessary): If you still haven't found the issue, you may need to trace the circuit path. This can involve opening up walls or using a specialized circuit tester.
Important Notes:
* Always turn off power before working on any electrical wiring.
* If you're unsure how to troubleshoot a circuit or are uncomfortable working with electricity, call a qualified electrician.
* Never attempt to repair electrical problems if you are not qualified and experienced.
Let me know if you have any other questions.