One of the fluorescent tubes in my undermount lighting system burnt out. There are 3 independent tubes/ballasts under the length of the kitchen cabinets and the others were still on.
After carefully replacing the affected tube, it seems that all three lamps are now not working.
The breaker...
I tested the wire connected to the green ground terminal and it is not hot - which leads me to believe that the wire is connected properly.
The light controlled by this switch is now working. It is the other switches that have stopped working as a result of replacing this switch.
Any other...
I replaced the single light switch in the hall, which is now working.
The other double switch is located in the next room (but on the same circuit). It is the one that is not working as a result of replacing the first switch in the hall - I opened it only to examine and test voltage.
It's a simple "on/off" switch (is that what you mean?).
The black wire connected to the green ground terminal is connected into the wall. I just confirmed with the volt meter that there's no current in that wire.
Here's a pic showing the replaced switch (with ground wire on top and the other 2 wires). This light is now working. It's the other downstream switches (attached to the same breaker switch) that have no power.
Yesterday, I replaced a light switch (as I've done several times before). When I turned the breaker panel back on, the light was working - but now the other lights connected to that same breaker panel do not work. I re-checked all connections and reset the GFI (the outlet works) but no luck with...
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