Light bulbs burn out at the same time
113121
Why does my home's power fade and surge when I plug things in?
99818
light switch conversion 3 gang to 1 gang
87842
Why am I getting 50V at a light when the switch is off?
95047
What is this glass bulb with two parallel electrodes on my PCB?
72226
LED conversion efficiency exceed 100%
82952
How do I treat this "lamp" to find power dissipated?
136192
Why does my pilot light keep going out?
35411
If blackbody radiation at 6000K peaks in the optical, why aren't fluorescent bulbs at 6000K?
123273
How do native speakers say 'the light bulb has stopped working'
93892
Why does a neon lamp indicator on a power strip switch flicker in the dark?
100027
Does a filament of lamp still have resistance when no current flows, and if yes, why?
115903
Simple light bulb operated by button and optoisolator triac
148525
Why are relays so frequently driven by optocouplers?
86023
LED lamp keeps glowing when dimmer is turned off
23382
Need single-shot 1 minute delay-off LED circuit
101168
Pilot light on switch comes on when light is off
157622
Objects stop emitting smoke/fire after a short time?