On Friday, March 1, 2019 at 12:42:26 PM UTC-6, wrote:
I have an overhead light fixture with 3 40 watt bulbs. one of
them burnt out. can I replace only the burnt out bulb with an
LED bulb? What if any would be the consequinces? Thanks for a reply


You fail to mention whether this is an incandescent or fluorescent
fixture.