Steve in Washington DC asks; I replaced my 100 watt incandescent flood bulbs with 9 watt LED lights now they do not work. Common Problems with Dimmer Switches and LED Light Bulbs.
What are the wire connections when replacing a ceiling fan where I have three way switches? Basic for Wiring a Ceiling Fan with Three Way Switches.
My living room pendant ceiling light isn’t working: How to use a voltage tester to check a light switch.